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For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the correlation coefficient, and (c) determine whether there
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the correlation coefficient, and (c) determine whether there is a linear relation between x and y. Click here to view the data set. Click here to view the critical values table. (a) Draw a scatter diagram of the data. Choose the correct graph below. O A. O B. O C. O D. Ay Ay 20- 20- 20- 20- X X X OHHH 10 10 10 (b) By hand, compute the correlation coefficient. The correlation coefficient is r= . (Round to three decimal places as needed.) (c) Determine whether there is a linear relation between x and y. Because the correlation coefficient is and the absolute value of the correlation coefficient, , is than the critical value for this data set, linear relation exists between x and y. (Round to three decimal places as needed.)
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