25. (8 points) Students were given different drug treatments before revising for their exams. Some were given a memory drug, some a placebo drug and some no treatment. The exam scores (in %) are shown below for the three groups. Test the claim at a = 0.01 that there is a difference between the mean of the three groups. Use P-value method. Memory drug: 70 77 83 90 97 Placebo drug: 37 43 50 57 63 No treatment: 3 10 17 23 30 Parameter's name and symbol: Claim: Circle the appropriate test: 2 - SampleZTesty Data Statistics 2-PropZTest Statistics 2 - SampleFTesty Data ANOVA 1 State the null and alternative hypotheses, indicate the Tail-test, and identify the claim. Ho: H1: 2 Compute the test value. Use Graphing calculator! 3 Find the P-value. Use Graphing calculator! 4 Make the decision and justify it (circle one): Reject Ho or Do not reject Ho 5 Summarize the result, Underline is or is not, also underline reject or support