Problem 3-26 The following data were collected during a study of consumer buying patterns: points Observation Observation eBook x y 12 78 2176 44 83 29 81 4993 46 99 2985 13 77 18 70 1969 1784 25 87 30 86 Print References b. Obtain a linear regression line for the data.(Round your intermediate calculations and final answers to 3 decimal places.) y= DOX 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 O % 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 = 41. (Round your intermediate calculations and final answers to 3 decimal places.)