Part a) What type of study is this? An observational study.An experiment with a completely randomized design.An experiment with a randomized block design.An experiment with a matched pairs design.
Part b) What can we conclude from this study? (Select all that apply) A. Since the P-value is very small, the TA can report to the instructor that there is strong evidence to show attending labs improves performance on finals. B. Since the null hypothesis is rejected at 5% level, the TA can report to the instructor that there is sufficient evidence to show attending labs improves performance on finals. C. There is insufficient evidence to answer the instructor's question.
You can earn partial credit on this problem.