Question: please answer in 5 min 81 Observation 1 2 3 4 5 6 7 20 27 43 29 53 44 33 78 84 79 80

please answer in 5 min please answer in 5 min 81 Observation 1 2 3 4 5 6

81 Observation 1 2 3 4 5 6 7 20 27 43 29 53 44 33 78 84 79 80 98 97 82 Observation 8 9 10 11 12 13 x 23 10 13 21 28 34 69 68 85 91 93 Click here for the Excel Data File b. Obtain a linear regression line for the data.(Round your intermediate calculations and final answers to 3 decimal places.) y = c. What percentage of the variation is explained by the regression line? (Do not round intermediate calculations. Round your answer to the nearest whole percent.) Approximately % of the variation in the dependent variable is explained by the independent variable. d. Use the equation determined in part b to predict the expected value of y for x = 47. (Round your intermediate calculations and final answers to 3 decimal places.)

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