Mathematics, 27.12.2019 04:31 funnyadriany4
Accountants at the tucson firm, larry youdelman, cpas, believed that several traveling executives were submitting unusually high travel vouchers when they returned from business trips. first, they took a sample of 200 vouchers submitted from the past year. then they developed the followingmultiple-regression equation relating expected travel cost to number of days on the road (x1) and distance traveled(x2) in miles:
y= $90.00 + $46.50x1+ 0.35x 2.
the coefficient of correlation for the model is 0.64.
a) if donna battista returns from a 340-mile trip that took her out of town for 5 days, the expected amount that she should claim as expense =$ (round your response to two decimalplaces).
b) after the 340-mile and 55-day trip, battista submitted a reimbursement request for $685, which is different than the predicted value. the accountant should question/not question the voucher as the request is much higher than expected/within expectations.
c) additional variables that could be included in the model are (select the choice that has all the factors you wouldconsider)
a. type of travel (air/car)
b. gender of the executive (male/female)
c. dress code (formal/business casual)
the percentage of variation in the trip cost that can be explained by the model = % (round your
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Accountants at the tucson firm, larry youdelman, cpas, believed that several traveling executives we...
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