4-17c(1). Accountants at the firm Walker and Walker believed that several traveling executives submit unusually high travel vouchers when they return from business trips. The accountants took a sample of 200 vouchers submitted from the past year; they then developed the following multiple regression equation relating expected travel cost (Y) to number of days on the road (X1) and distance traveled (X2) in miles: =$90+$48.5X1+$.040x2 The coefficient of correlation computed was 0.68. c(1), What is the coefficient of determination? Question options: .825 .36 .46 .68