Question: 14-20. Consider the following sample data for the variables y and x: X y 30.3 14.6 4.8 15.2 24.9 27.9 17.6 15.3 20.1 8.6 19.8

14-20. Consider the following sample data for the variables y and x: X y 30.3 14.6 4.8 15.2 24.9 27.9 17.6 15.3 20.1 8.6 19.8 9.3 13.2 25.6 11.2 19.4 a. Calculate the linear regression equation for these data. b. Determine the predicted y-value when x = 10. c. Estimate the change in the y variable resulting from the increase in the x variable of 10 units. d. Conduct a hypothesis test to determine if an increase of 1 unit in the x variable will result in the decrease of the average value of the y variable. Use a significance of 0.025.

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