15 PLEASE CHECK ALL THE ATTACHMENTS

Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given xvalues, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. 4 4 5 121 (a)x=2 hours (b)x=4.5 hours (0) x = 3.5 hours Hours spent studying, x 1 2 3 Test score, y 39 43 51 49 61 72 Find the regression equation. y = x + (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. 0 A. O B. O c. O D. Test score Test Score Test score Test score Hours studying Hours studying Hours studying Hours studying (a) Predict the value of y for x= 2, Choose the correct answer below. 0 A. 55.0 0 B. 43.8 0 C. 62.4 0 D. not meaningful Find the equation of the regression line for the given dam. Then construct a scatter plot of the dam and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given xvalues. if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x 1 2 3 4 4 5 :11 (a) x= 2 hours (b) x = 4.5 hours Test score, y 39 43 51 49 61 72 (c) x = 3.5 hours (a) Predict the value of y for x= 2. Choose the correct answer below. 0 A. 55.0 0 B. 43.8 0 C. 62.4 0 D. not meaningful (b) Predict the value of y for x= 45. Choose the correct answer below. 0 A. 55.0 0 B. 140.4 0 C. 62.4 0 D. not meaningful (c) Predict the value of y for x = 35. Choose the correct answer below. 0 A. 140.4 0 B. 43.8 0 C. 55.0 0 D. not meaningful