Indicate whether you should use a one sample t-test, paired t-test, 2 sample t-t
ID: 3239301 • Letter: I
Question
Indicate whether you should use a one sample t-test, paired t-test, 2 sample t-test. As well indicate whether you should choose a one-sided or two-sided alternative hypothesis.
D. Is there a statistically significant difference between the Verbal and Math scores of macroeconomics students at Vanderbilt?
E. Is there a statistically significant difference between the performances of males and females on the Verbal SAT? Construct a 95 percent confidence interval for the difference. Does it include zero? Relate this to the conclusion of your test.
F. Is there a statistically significant difference between the performances of males and females on the Math SAT? Construct a 95 percent confidence interval for the difference. Does it include zero? Relate this to the conclusion of your test.
G. Is there a statistically significant difference between the freshman GPAs of males and females? Construct a 95 percent confidence interval for the difference. Does it include zero? Relate this to the conclusion of your test.
Explanation / Answer
Question D) This is paired t-tests. Here the claim is non directional. This is two-tailed test.
Question E ) This is a two-sample t-test. Here the claim is non directional. This is two-tailed test.
Question F) This is a two-sample t-test. Here the claim is non directional. This is two-tailed test.
Question G) This is a two-sample t-test. Here the claim is non directional. This is two-tailed test.