Question: please answer fully and show work and answers will thumb up! Problem 3-26 The following data were collected during a study of consumer buying patterns:

please answer fully and show work and answers will thumb up!

Problem 3-26 The following data were collected during a study of consumer buying patterns: Observation X y X y Observation 8 1 14 70 19 76 2 28 78 9 10 65 3 43 88 10 18 72 4 36 77 11 23 86 5 51 98 12 24 89 6 52 94 13 28 89 7 28 86 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 = 49. (Round your intermediate calculations and final answers to 3 decimal places.) y=

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