(Q4 - Q5) To study the association between Weight and Price of Diamonds. The regression output on a sample 48 diamonds is shown below. Linear Fit Price (Rs)/Carat = 18731.86 + 81995.807*Weight (carats) Analysis of Variance Summary of Fit RSquare 0.789389 Source DF Sum of Mean Square F Ratio RSquare Adj 0.784811 Squares Root Mean Square Error 2431.136 Model 1 1019030044 1.019e+9 172.4124 Mean of Response 35472.67 Error 46 271879447 5910422.8 Prob > F Observations (or Sum Wgts) 48 C. Total 47 1290909492 <.0001 the average weight is given by select one: o a. b. c. cannot be determined d.>