What percentage of variation is explained by regression line

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The following data were collected during a study of consumer buying patterns: Observation x y Observation x y 1 20 78 8 23 81 2 27 84 9 10 69 3 43 79 10 13 68 4 29 80 11 21 85 5 53 98 12 28 91 6 44 97 13 34 93 7 33 82 b. Obtain a linear regression line for the data.(Round your intermediate calculations and final answers to 3 decimal places.) y = + x 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. Omit the "%" sign in your response.) 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.) y =

Reference no: EM132295048

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