When testing for a difference between the means of a treatment group and a group given a
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1 z-Test: Two Sample for Means 2 Variable Variable 2 4 Mean 5 Known variance 6 Obsevations 7 Hypothesized mean difference 75.34798 73.81763 1.55383 11.65292 50 50 P(Z<=z) one-tail z Critical one-tail P(Z<=z) two-tail z Critical two-tail 2.199422 0.013924 1.644853 0.027848 1.959961 9 10 11 12
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Original claim 1 2 0 n 1 30 and n 2 30 use z with ss for s x 1 x 2 7534798 7381...View the full answer
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