Describe the similarities and differences between the sign test for the differences and the paired t test.
Answer to relevant Questionsa. Describe the data set consisting of two unpaired samples. b. What hypotheses would ordinarily be tested for such data? a. What is a parametric statistical method? b. Name some parametric methods you have used. a. What kind of data set is appropriate for the sign test for the differences? b. What hypotheses are being tested? c. What assumption is required? Consider the profits of the aerospace firms in the Fortune 500, shown in Table 16.4.2. a. Draw a histogram of these profit percentages. Describe the distribution. b. Find the average and the median. Explain why they are ...Use a nonparametric test to see whether the distribution of annual salaries for men differs significantly from the distribution for women.
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