GIVENSample vouchers200Regression equation:Expected travel cost = $145,00 +Coefficient of correlation$64,38 x number of days on the road+0,67Question aDistance traveled in miles by Thomas WilliamsNumber of days on the road by Thomas WilliamsExpected travel cost = $145,00 +Expected travel cost = $145,00 +Expected travel cost =$1.649,62$1,12 distance traveled in mile1.0565$64,38 x number of days on the road+$64,38 x$5,00 +1850$1,12 distance traveled in mile$1,121.056Question bWilliams' reimbursement request is $200.38 higher than the estimate derived from the multipleregression equation. This difference is about 12& of the estimate. The accountant needs toanalyze each of the vouchers submitted by Williams to support the reimbursement. Any unusuallyQuestion cThe coefficient of correlation is at 0.67 which means that the model is 67% accurate in predectingthe expected travel cost based on the number of days on the road and the distance travelled. Isuggest that othe variables be included to increase the coefficient correlation. One of the factorsthat can be included is the number of meetings attended to by the travelling executives. Thiswould factor in the representation expense paid for by the executives.distance traveled in milesdistance traveled in milesGIVENYear123456789101112NumberRidershipof(100,000sTourists)(1,000,00131871591182219302038143416321939275221411428Ridership (100,000s ...
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