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Question 12, 10.1.15-T HW Score: 76%, 76 of 100 points E Homework: Week 2 Homework (5.1-5.3, 10.1-10.2) O Points: 0 of 6 Save Part 3
Question 12, 10.1.15-T HW Score: 76%, 76 of 100 points E Homework: Week 2 Homework (5.1-5.3, 10.1-10.2) O Points: 0 of 6 Save Part 3 of 7 Listed below are amounts of court income and salaries paid to the town justices. All amounts are in thousands of dollars. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a = 0.05. Is there sufficient evidence to conclude that there is a linear correlation between court incomes and justice salaries? Based on the results, does it appear that justices might profit by levying larger fines? Court Income 65.0 406.0 1568.0 1132.0 272.0 251.0 110.0 156.0 32.0 Justice Salary 30 43 93 54 |47 61 24 25 18 . . . . . What are the null and alternative hypotheses? OA. Ho: P = 0 OB. Ho: p#0 H1 : p0 H1 : p # 0 Construct a scatterplot. Choose the correct graph below. O A. B O c. O D. Justice Salary Justice Salary Justice Salary Justice Salary 100- 100- 1\\100- 100- 50- 50- 50- 0-+ 800 1600 800 1600 800 1600 800 1600 Court Income Court Income Court Income Court Income The linear correlation coefficient is r =. (Round to three decimal places as needed.)
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