A researcher is interested in the effects of two new drugs, Drug A and Drug B, on learning. She has a group of 5 people take Drug A and then work on a learning task. One month later, the same 5 people take Drug B and then work on the same learning task as before. The number of errors made on the learning task after taking each drug is recorded below. Using an alpha of .01, test for a difference between the groups.

1.State the Null Hypotheses and Alternative Hypotheses 2. What are the critical value should be used when the researchere's hypotehesis is at the .05 level? 3. Calculate the T value. Complete solutuon 4. M@ke a decision about the null hypothesis and support your decision.