Refer to Exercise 12.46. A regression model was created for the bank branch office data using JMP. Some of the results are shown here.
a. Use the R2 value shown to compute an overall F statistic. Is there clear evidence that there is predictive value in the model, using α = .01?
b. Which individual predictors have been shown to have unique predictive value, again using α = .01?
c. Explain the apparent contradiction between your answers to the first two parts.

In exercise

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Response: Loan volume (mt 11icns) ummary or Fit RSquare RSquare 1 Root Mean Square ErrCE Mean of Response Cbservations for Sum wgts) 0:894477 0.883369 0.870612 4.383395 43 Parameter Eatimates Eatimate Sta Error t Ratio Prob (t 0.2284381 Tern intercept Depcsit volume int1ons) 0.3222099 0.191049 1.69 0.0999 Munber ot accounts 0 6752 0.34 0.7370 0.0025812 0.001314 0:0010058 0,001878 -0.119898 0.130721 1.96 0.0569 0 540.5954 0.92 0.364 Diployees elattons Vartable Loan volure nillions Loan volune aionsl tepesit volune tiltcas) Nmber of acccunts transactions amployees 0.6610 0-7377 0.7487 0.8463 1.0000 1.0000 0.9369 0.9403 0.8766 0.6810 0.9369 1.0000 0.9755 0.9144 0.7317 0.9403 0.9755 1.0000 0.9299 . 74 67 0.8766 0.9144 0.3299 10000 0.3463 Munber of account Transaction Eiployees 14 Loan volune 15 Depoait volume 2500 Number of 1500 500 1000 Transactions 600 il 200 12 anployees 10 2 6 10 14 10 15 500 1500 2500 200 600 1000 4 6 9 10 12