Author Question: Suppose you are examining the difference between two means, and you conduct a two-sided hypothesis ... (Read 19 times)

pane00 · **on:** Jul 24, 2018

Suppose you are examining the difference between two means, and you conduct a two-sided hypothesis test and your friend constructs a confidence interval. Assuming that both reveal that the null hypothesis should be rejected, what can the confidence interval tell you that the hypothesis test cannot?
a. The magnitude of the difference in the means.
b. The direction of the difference in the means.
c. How much variability there was in the observed results.
d. All of the above.

Question 2

Even if researchers used an extremely sophisticated statistical analysis from a complicated hypothesis test and study, there is one piece of information that you'll always be able to interpret and understand. What is that piece of information?
a. The p-value.
b. The test statistic.
c. The design of the study/experiment.
d. None of the above.