Shown below is a portion of a computer output for a regression analysis relating Y (demand)...

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Shown below is a portion of a computer output for a regressionanalysis relating Y (demand) and X (unit price). ANOVA df SSRegression 1 Error 3132.661 Total 47 8181.479 Coefficients StandardError Intercept 80.390 3.102 X -2.137 0.248 (a) Compute thecoefficient of determination and fully interpret its meaning. Bevery specific. (b) Find the standard error for b1 (Sb1). (c)Perform a t test and determine whether or not demand and unit priceare related. Let ? = 0.05. (d) Perform an F test and determinewhether or not demand and unit price are related. Let ? = 0.05

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Solution Preparatory Work Let us first complete the ANOVA Table given figures in bold others derived Source of Variation df SS MS F Fcrit Regression 1 5048818 5048818 74137 404 Error 46 3132661 68101 Total 47 8181479 Explanations df for Error df for Total df for Regression SS for Regression SS for Total SS for Error MS SSdf F MSRMSE See Answer

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