Question: Problem 8.40 Refer to the data in Problem 1.40. (a) Do the data indicate a significant difference in the DBH activity between the non[1]psychotic and

Problem 8.40 Refer to the data in Problem 1.40.

(a) Do the data indicate a significant difference in the DBH activity between the non[1]psychotic and psychotic groups? Use the two sample t test and summarize your resu by stating the P-value.

(b) Repeat part

(a) but use the Wilcoxon rank sum test.

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