Results: ser2.sas

The ANOVA Procedure

The ANOVA Procedure

Data

Class Levels

Class Level Information
Class Levels Values
ETHRACE2A 5 1 2 3 4 5

Number of Observations

Number of Observations Read 43093
Number of Observations Used 8082

The ANOVA Procedure

Dependent Variable: S3BD5Q2F Age when began using cannabis most

Analysis of Variance

S3BD5Q2F

Overall ANOVA

Source DF Sum of Squares Mean Square F Value Pr > F
Model 4 2343.6439 585.9110 19.32 <.0001
Error 8077 244934.9228 30.3250    
Corrected Total 8081 247278.5667      

Fit Statistics

R-Square Coeff Var Root MSE S3BD5Q2F Mean
0.009478 28.21768 5.506813 19.51547

Anova Model ANOVA

Source DF Anova SS Mean Square F Value Pr > F
ETHRACE2A 4 2343.643912 585.910978 19.32 <.0001

Means

ETHRACE2A

S3BD5Q2F

Multiple Comparison Lines

Duncan

The ANOVA Procedure

Duncan's Multiple Range Test for S3BD5Q2F

Note:This test controls the Type I comparisonwise error rate, not the experimentwise error rate.

Information

Alpha 0.05
Error Degrees of Freedom 8077
Error Mean Square 30.32499
Harmonic Mean of Cell Sizes 364.8436

Note:Cell sizes are not equal.

Critical Ranges

Number of Means 2 3 4 5
Critical Range .7992 .8415 .8698 .8908

Comparisons

Means with the same letter are not significantly different.
Duncan Grouping Mean N ETHRACE2A
  A 20.4067 209 3
  A      
  A 20.1747 1282 2
  A      
B A 19.5873 5285 1
B        
B C 19.0922 141 4
  C      
  C 18.3554 1165 5