Below you are given a partial computer output based on a sample of 14 observations, relating an independent variable (x) and a dependent variable (y). Predictor Coefficient Standard Error Constant 6.428 1.202 X 0.470 0.035 Analysis of Variance SOURCE SS Regression 958.584 Error (Residual) Total 1021.429 a. Develop the estimated regression line. b. At = 0.05, test for the significance of the slope. c. At = 0.05, perform an F test. d. Determine the coefficient of determination. e. Determine the coefficient of correlation.
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