T Tests, ANOVA, and Regression Analysis

Now consider a two independent groups t test with pooled variances, null is mu1-mu2 = 0: DATA. TWOSAMPLE; INPUT X Y @@; CARDS; 1 1 1 2 1 3 1 4 1 5. 2 6 2 7 2 8 2 9 2 10. PROC TTEST; CLASS X; VAR Y; RUN;-----The SAS System. T-Tests. Variable Method Variances DF t Value Pr > |t… ................
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