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
