AP Statistics MCQ
AP Statistics
Based on data from two very large independent samples, two students tested a hypothesis about equality of population means using an alpha=0.05. One students used a one-tail test and rejected the null hypothesis, but the other used a two-tail test and failed to reject the null. Which of these might have been their calculated value of t?
Based on data from two very large independent samples, two students tested a hypothesis about equality of population means using an alpha=0.05. One students used a one-tail test and rejected the null hypothesis, but the other used a two-tail test and failed to reject the null. Which of these might have been their calculated value of t?
Based on data from two very large independent samples, two students tested a hypothesis about equality of population means using an alpha=0.05. One students used a one-tail test and rejected the null hypothesis, but the other used a two-tail test and failed to reject the null. Which of these might have been their calculated value of t?
A) 1.22
B) 1.55
C) 1.88
D) 2.22
E) 2.66
Answer: C
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