Question: Pfizer is testing another “miracle” product, the math anxiety reducing drug Probstatin™. Since it is well-known that students are generally very relaxed about their coursework and that the statistics instructor is notorious for inducing panic among the undergraduates, it was decided to take two random samples of his students. The control group did not receive the medication, and the other group did. Neither the students nor the researchers knew which group each student was in. Both groups were scheduled to take the difficult test 3 on linear regression. Just before the test each student was given a standard battery of procedures to measure their anxiety level. This data is recorded in the data file. A higher number means a higher induced anxiety level. The research hypothesis is that the mean anxiety level is lower for those students who took Probstatin™.

a) Type the alternative hypothesis in the blank. Use correct notation.

b) Type the null hypothesis in the blank. Use correct notation.

c) Type the name of the Excel routine in the blank.

d) Type the p-value of the test in the blank.

e) Type the rejection decision.

f) Draw a conclusion. Use correct English.