A statistics instructor wishes to see whether there is a relationship between the number of homework exercises a student completes and her or his exam score The data are shown here Using the Spearman rank correlation coefficient, test the hypothesis that there is no relationship at Icirc plusmn 0 05 Follow this procedure a State the hypotheses and identify the claim b Find the critical value(s) c Compute the test value d Make the decision e Summarize the results Use the traditional method of hypothesis testing unless otherwise specified Homework problems 63 55 58 87 89 52 46 75 105 Exam score 85 71 75 98 93 63 72 89 100

Question: A statistics instructor wishes to see whether there is a relationship between the number of homework exercises a student completes and her or his exam

A statistics instructor wishes to see whether there is a relationship between the number of homework exercises a student completes and her or his exam score. The data are shown here. Using the Spearman rank correlation coefficient, test the hypothesis that there is no relationship at Î± = 0.05.

Follow this procedure:
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.

Homework problems | 63 55 58 87 89 52 46 75 105 Exam score 85 71 75 98 93 63 72 89 100

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