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 О. 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