4-17 Accountants at the firm Walker and Walker believedthat several traveling executives submit unusuallyhigh travel vouchers when they return from businesstrips. The accountants took a sample of 200...

4-17 Accountants at the firm Walker and Walker believedthat several traveling executives submit unusuallyhigh travel vouchers when they return from businesstrips. The accountants took a sample of 200 voucherssubmitted from the past year; they then developed thefollowing multiple regression equation relatingexpected travel cost (Y) to number of days on theroad and distance traveled in miles:YN = $90.00 + $48.50X1 + $0.40X2