A manager wants to predict the cost (y)of travel for salespeople based on the number of days (x)spent on each sales trip.The following model has been developed: ŷ = $400 + 120x.If a trip took 4 days, the predicted cost of the trip is _____________.
A)480
B)880
C)524
D)2080
E)1080

Question

Quizplus · Accepted Answer

The predicted cost is calculated by substituting x = 4 into the model: ŷ = $400 + 120(4) = $400 + $480 = $880.

A Manager Wants to Predict the Cost (Y)of Travel for Salespeople