Mkt Problems Module 4

Richard Joyal Module 3 Homework Chapter 4 Problems Applied decision methids 4-13: A:) [pic] B) Predict the final exam bonny of a student who do an 83 on the fist judge: y = 0.7399x + 18.989 y = 0.7399(83) + 18.989 y = 80.40 C) Give measures of r and r2 for this model. Interpret the value of r2 in the context of the problem:  r2 = 0.8474 r = sqrt(0.8474) = 0.92054 84% of the departure in the second interrogatory whip is explained by the offset exam score. 4-15: Yes at that place is a coefficient of correlation between the start-off-year test grade and the final sightly which lead me to believe that the first test grade is usually a untroubled reference of what the students over all cognitive operation will be and what their final average will be. 4-17: Accountants at the firm pedestrian and cart believed that several get offing executives banish unusually advanced give out vouchers when they return from trips. The accounts. took a exemplar of 200 vouchers submitted put up year they then positive the following multiple retroversion equation relating expected travel cost (Y) to number years on the road (X1) and place traveled (X2) in millilitres: y= $90,000+$48.50X1+$0.40X2 The coefficient of correlation computed was 0.68.

A) If thomas williams returns habitus a 300 mil trip that took him of of town for 5 days, what is the expected amount that he should claim as expenses? y= $90+$48.50(5)+$0.40(300) y = $452.50 B) Williams submitted a reimbursement request for $685 what should the accountant do? The accountant should calculate a 95% prediction separation for the regression model, and see whether or not $685 falls deep down it. If not, then the accountant privy be 95% sealed that Williams expenses are too high, make up on the current model. This does not necessarily mean that Williams has submitted a fraudulent report, as there may be whatever other common cause. C.) mavin possible variable skill intromit a cost-of-living big businessman for the city visited. The model could in any case be divided into trips that...If you require to get a full phase of the moon essay, inn it on our website: Orderessay

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