1. A sample size of 10, what is the minimum value of t that will allow you to reject a two-sided hypothesis test at the 0.05 level of significance?

2. F test for equal variances shows a p value of 0.12. What should you do if you want to follow up with a comparison of means?

A.Use the unequal variance test

B.Use the equal variance test

C.Increase the sample size

D.Decrease the power

3. Which test is used for independent data?

A.sign test

B.Wilcoxon rank sum test

C.paired t test

D.Wilcoxon signed-rank test

4. Which of the following statements is False:

A.A p-value of 0.001 in a means comparison allows you to state with at least 95% confidence that two population means are not equal in a comparison of two means.

B.A p-value of 0.30 in a means comparison allows you to state with at least 95% confidence that two population means are exactly equal in a comparison of two means.

C.The p-value for a two-sided test is always higher than the p-value of a one-sided test of the same data.

D.A 99% confidence interval is always larger than a 95% confidence interval on the same data set.