United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=Northeast Census year=1980

Moments
N 9 Sum Weights 9
Mean 5.45977778 Sum Observations 49.138
Std Deviation 5.92525457 Variance 35.1086417
Skewness 1.26661463 Kurtosis 0.84864338
Uncorrected SS 549.151694 Corrected SS 280.869134
Coeff Variation 108.525563 Std Error Mean 1.97508486

Basic Statistical Measures
Location Variability
Mean 5.459778 Std Deviation 5.92525
Median 3.108000 Variance 35.10864
Mode . Range 17.04700
    Interquartile Range 6.41800

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 2.764326 Pr > |t| 0.0245
Sign M 4.5 Pr >= |M| 0.0039
Signed Rank S 22.5 Pr >= |S| 0.0039

Quantiles (Definition 5)
Quantile Estimate
100% Max 17.558
99% 17.558
95% 17.558
90% 17.558
75% Q3 7.365
50% Median 3.108
25% Q1 0.947
10% 0.511
5% 0.511
1% 0.511
0% Min 0.511

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     16 6                        1             0                  17+                                        *  ++++    
     14                                                             |                                        +++        
     12                                                             |                                     +++           
     10 9                        1             |                    |                                 +*++              
      8                                        |                   9+                              +++                  
      6 4                        1          +-----+                 |                          ++++ *                   
      4 7                        1          |  +  |                 |                       +++  *                      
      2 1                        1          *-----*                 |                    +++  *                         
      0 5991                     4          +-----+                1+          *     *++*  *                            
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=Northeast Census year=1990

Moments
N 9 Sum Weights 9
Mean 5.64555556 Sum Observations 50.81
Std Deviation 6.00833091 Variance 36.1000403
Skewness 1.26610532 Kurtosis 0.92049085
Uncorrected SS 575.651 Corrected SS 288.800322
Coeff Variation 106.425857 Std Error Mean 2.00277697

Basic Statistical Measures
Location Variability
Mean 5.645556 Std Deviation 6.00833
Median 3.288000 Variance 36.10004
Mode . Range 17.42700
    Interquartile Range 6.62100

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 2.818864 Pr > |t| 0.0225
Sign M 4.5 Pr >= |M| 0.0039
Signed Rank S 22.5 Pr >= |S| 0.0039

Quantiles (Definition 5)
Quantile Estimate
100% Max 17.990
99% 17.990
95% 17.990
90% 17.990
75% Q3 7.730
50% Median 3.288
25% Q1 1.109
10% 0.563
5% 0.563
1% 0.563
0% Min 0.563

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     18 0                        1             0                  19+                                              +++  
     16                                                             |                                        *  +++     
     14                                                             |                                       ++++        
     12                                                           13+                                    +++            
     10 9                        1             |                    |                                 +*+               
      8                                        |                    |                             ++++                  
      6 07                       2          +-----+                7+                          ++*  *                   
      4                                     |  +  |                 |                       +++                         
      2 3                        1          *-----*                 |                   ++++  *                         
      0 6012                     4          +-----+                1+          *     *++*  *                            
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=South Census year=1980

Moments
N 17 Sum Weights 17
Mean 4.43329412 Sum Observations 75.366
Std Deviation 3.32034228 Variance 11.0246728
Skewness 1.82779089 Kurtosis 4.21090424
Uncorrected SS 510.51441 Corrected SS 176.394766
Coeff Variation 74.8956011 Std Error Mean 0.80530129

Basic Statistical Measures
Location Variability
Mean 4.433294 Std Deviation 3.32034
Median 3.894000 Variance 11.02467
Mode . Range 13.63100
    Interquartile Range 2.82600

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 5.505137 Pr > |t| <.0001
Sign M 8.5 Pr >= |M| <.0001
Signed Rank S 76.5 Pr >= |S| <.0001

Quantiles (Definition 5)
Quantile Estimate
100% Max 14.225
99% 14.225
95% 14.225
90% 9.747
75% Q3 5.347
50% Median 3.894
25% Q1 2.521
10% 0.638
5% 0.594
1% 0.594
0% Min 0.594

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     14 2                        1             *                14.5+                                           *       
     13                                                             |                                                   
     12                                                             |                                                +++
     11                                                             |                                             +++   
     10                                                             |                                          +++      
      9 7                        1             0                    |                                      *+++         
      8                                                             |                                    +++            
      7                                                          7.5+                                 +++               
      6                                                             |                              +++                  
      5 359                      3          +-----+                 |                           +++ * * *               
      4 226                      3          |  +  |                 |                        ++* * *                    
      3 0179                     4          *-----*                 |                    *+*+**                         
      2 035                      3          +-----+                 |                 *+*+                              
      1                                        |                    |               *++                                 
      0 66                       2             |                 0.5+       *    *++                                    
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=South Census year=1990

Moments
N 17 Sum Weights 17
Mean 5.02647059 Sum Observations 85.45
Std Deviation 4.2075193 Variance 17.7032186
Skewness 1.86748715 Kurtosis 3.7114821
Uncorrected SS 712.76341 Corrected SS 283.251498
Coeff Variation 83.70723 Std Error Mean 1.02047332

Basic Statistical Measures
Location Variability
Mean 5.026471 Std Deviation 4.20752
Median 4.041000 Variance 17.70322
Mode . Range 16.38000
    Interquartile Range 3.61300

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 4.925627 Pr > |t| 0.0002
Sign M 8.5 Pr >= |M| <.0001
Signed Rank S 76.5 Pr >= |S| <.0001

Quantiles (Definition 5)
Quantile Estimate
100% Max 16.987
99% 16.987
95% 16.987
90% 12.938
75% Q3 6.187
50% Median 4.041
25% Q1 2.574
10% 0.666
5% 0.607
1% 0.607
0% Min 0.607

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     16 0                        1             0                  17+                                           *       
     14                                                             |                                               ++++
     12 9                        1             0                    |                                      *   +++++    
     10                                                             |                                     +++++         
      8                                                            9+                                 ++++              
      6 256                      3          +-----+                 |                            +++*+* *               
      4 0289                     4          *--+--*                 |                       ++**+* *                    
      2 46157                    5          +-----+                 |                 *+**+* *                          
      0 678                      3             |                   1+       *    * +*++                                 
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=Midwest Census year=1980

Moments
N 12 Sum Weights 12
Mean 4.90566667 Sum Observations 58.868
Std Deviation 3.75037483 Variance 14.0653113
Skewness 0.72604092 Kurtosis -0.6879111
Uncorrected SS 443.50521 Corrected SS 154.718425
Coeff Variation 76.4498504 Std Error Mean 1.08263996

Basic Statistical Measures
Location Variability
Mean 4.905667 Std Deviation 3.75037
Median 4.391000 Variance 14.06531
Mode . Range 10.77600
    Interquartile Range 5.40900

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 4.531208 Pr > |t| 0.0009
Sign M 6 Pr >= |M| 0.0005
Signed Rank S 39 Pr >= |S| 0.0005

Quantiles (Definition 5)
Quantile Estimate
100% Max 11.428
99% 11.428
95% 11.428
90% 10.798
75% Q3 7.376
50% Median 4.391
25% Q1 1.967
10% 0.691
5% 0.652
1% 0.652
0% Min 0.652

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     11 4                        1             |                11.5+                                         *++       
     10 8                        1             |                    |                                    *  +++         
      9 3                        1             |                    |                                 *  +++            
      8                                        |                    |                                  ++               
      7                                     +-----+                 |                               +++                 
      6                                     |     |                 |                            +++                    
      5 5                        1          |     |                 |                          ++  *                    
      4 179                      3          *--+--*                 |                       +*+* *                      
      3                                     |     |                 |                    +++                            
      2 49                       2          +-----+                 |                  ++* *                            
      1 6                        1             |                    |               ++*                                 
      0 77                       2             |                 0.5+         *  ++*                                    
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=Midwest Census year=1990

Moments
N 12 Sum Weights 12
Mean 4.97241667 Sum Observations 59.669
Std Deviation 3.75702163 Variance 14.1152115
Skewness 0.67492357 Kurtosis -0.7410518
Uncorrected SS 451.966457 Corrected SS 155.267327
Coeff Variation 75.5572568 Std Error Mean 1.08455873

Basic Statistical Measures
Location Variability
Mean 4.972417 Std Deviation 3.75702
Median 4.633500 Variance 14.11521
Mode . Range 10.79300
    Interquartile Range 5.39200

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 4.584737 Pr > |t| 0.0008
Sign M 6 Pr >= |M| 0.0005
Signed Rank S 39 Pr >= |S| 0.0005

Quantiles (Definition 5)
Quantile Estimate
100% Max 11.4310
99% 11.4310
95% 11.4310
90% 10.8470
75% Q3 7.4200
50% Median 4.6335
25% Q1 2.0280
10% 0.6960
5% 0.6380
1% 0.6380
0% Min 0.6380

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     11 4                        1             |                11.5+                                         *++       
     10 8                        1             |                    |                                    *  +++         
      9 3                        1             |                    |                                 *  +++            
      8                                        |                    |                                  ++               
      7                                     +-----+                 |                               +++                 
      6                                     |     |                 |                            +++                    
      5 15                       2          |  +  |                 |                          ++* *                    
      4 49                       2          *-----*                 |                       +*+*                        
      3                                     |     |                 |                    +++                            
      2 58                       2          +-----+                 |                  ++* *                            
      1 6                        1             |                    |               ++*                                 
      0 67                       2             |                 0.5+         *  ++*                                    
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=West Census year=1980

Moments
N 13 Sum Weights 13
Mean 3.32153846 Sum Observations 43.18
Std Deviation 6.21702959 Variance 38.6514569
Skewness 3.40176065 Kurtosis 11.9153768
Uncorrected SS 607.241514 Corrected SS 463.817483
Coeff Variation 187.173193 Std Error Mean 1.72429377

Basic Statistical Measures
Location Variability
Mean 3.321538 Std Deviation 6.21703
Median 1.303000 Variance 38.65146
Mode . Range 23.26600
    Interquartile Range 1.91600

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 1.926318 Pr > |t| 0.0781
Sign M 6.5 Pr >= |M| 0.0002
Signed Rank S 45.5 Pr >= |S| 0.0002

Quantiles (Definition 5)
Quantile Estimate
100% Max 23.667
99% 23.667
95% 23.667
90% 4.142
75% Q3 2.717
50% Median 1.303
25% Q1 0.801
10% 0.470
5% 0.401
1% 0.401
0% Min 0.401

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     22 7                        1             *                  23+                                          *        
     20                                                             |                                                   
     18                                                             |                                                 ++
     16                                                             |                                              +++  
     14                                                             |                                           +++     
     12                                                             |                                       ++++        
     10                                                             |                                    +++            
      8                                                             |                                 +++               
      6                                                             |                              +++                  
      4 1                        1             |                    |                           +++       *             
      2 679                      3          +--+--+                 |                       ++++  * * *                 
      0 45889035                 8          *-----*                1+        *    *   * *+*+* * *                       
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        


United States Census of Population and Housing

The UNIVARIATE Procedure
Variable: PopulationCount (US Census Population (millions))

Geographic region=West Census year=1990

Moments
N 13 Sum Weights 13
Mean 4.06 Sum Observations 52.78
Std Deviation 7.83952939 Variance 61.458221
Skewness 3.42201819 Kurtosis 12.0243533
Uncorrected SS 951.785452 Corrected SS 737.498652
Coeff Variation 193.091857 Std Error Mean 2.17429424

Basic Statistical Measures
Location Variability
Mean 4.060000 Std Deviation 7.83953
Median 1.515000 Variance 61.45822
Mode . Range 29.30700
    Interquartile Range 2.28700

Tests for Location: Mu0=0
Test Statistic p Value
Student's t t 1.867273 Pr > |t| 0.0865
Sign M 6.5 Pr >= |M| 0.0002
Signed Rank S 45.5 Pr >= |S| 0.0002

Quantiles (Definition 5)
Quantile Estimate
100% Max 29.760
99% 29.760
95% 29.760
90% 4.866
75% Q3 3.294
50% Median 1.515
25% Q1 1.007
10% 0.550
5% 0.453
1% 0.453
0% Min 0.453

   Stem Leaf                     #          Boxplot                                Normal Probability Plot              
     28 8                        1             *                  29+                                          *        
     26                                                             |                                                   
     24                                                             |                                                   
     22                                                             |                                                +++
     20                                                             |                                              ++   
     18                                                             |                                           +++     
     16                                                             |                                         ++        
     14                                                           15+                                      +++          
     12                                                             |                                    ++             
     10                                                             |                                 +++               
      8                                                             |                               ++                  
      6                                                             |                            +++                    
      4 9                        1             +                    |                         +++         *             
      2 837                      3          +-----+                 |                       ++    * * *                 
      0 56801257                 8          *-----*                1+        *    *   * *+*+* * *                       
        ----+----+----+----+                                         +----+----+----+----+----+----+----+----+----+----+
                                                                         -2        -1         0        +1        +2     
                                                                                                                        
                                                                                                                        

          |                                                                                                             
       30 +                                                                                                *            
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       28 +                                                                                                             
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       26 +                                                                                                             
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       24 +                                                                                                             
          |                                                                                    *                        
          |                                                                                                             
          |                                                                                                             
       22 +                                                                                                             
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       20 +                                                                                                             
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       18 +                        0                                                                                    
          |            0                                                                                                
          |                                                0                                                            
          |                                                                                                             
       16 +                                                                                                             
          |                                                                                                             
          |                                                                                                             
          |                                                                                                             
       14 +                                    *                                                                        
          |                                                                                                             
          |                                                0                                                            
          |                                                                                                             
       12 +            |           |                                                                                    
          |            |           |                                   |           |                                    
          |            |           |                                   |           |                                    
          |            |           |                                   |           |                                    
       10 +            |           |                                   |           |                                    
          |            |           |           0                       |           |                                    
          |            |           |                                   |           |                                    
          |            |           |                                   |           |                                    
        8 +            |           |                                   |           |                                    
          |         +-----+     +-----+                             +-----+     +-----+                                 
          |         |     |     |     |                             |     |     |     |                                 
          |         |     |     |     |                    |        |     |     |     |                                 
        6 +         |     |     |     |        |        +-----+     |     |     |     |                                 
          |         |  +  |     |  +  |     +-----+     |     |     |     |     |     |                                 
          |         |     |     |     |     |     |     |  +  |     |  +  |     |  +  |                    |            
          |         |     |     |     |     |  +  |     |     |     *-----*     *-----*                    |            
        4 +         |     |     |     |     *-----*     *-----*     |     |     |     |        |           +            
          |         |     |     *-----*     |     |     |     |     |     |     |     |        +        +-----+         
          |         *-----*     |     |     |     |     |     |     |     |     |     |        |        |     |         
          |         |     |     |     |     +-----+     +-----+     |     |     |     |     +-----+     |     |         
        2 +         |     |     |     |        |           |        +-----+     +-----+     |     |     |     |         
          |         |     |     |     |        |           |           |           |        *-----*     *-----*         
          |         +-----+     +-----+        |           |           |           |        +-----+     +-----+         
          |            |           |           |           |           |           |           |           |            
        0 +                                                                                                             
           ------------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+----------- 
   Decade              1980        1990        1980        1990        1980        1990        1980        1990         
   Region          Northeas    Northeas       South       South     Midwest     Midwest        West        West