4. The local association of car salesmen de predict car sales each month (number of units...
A local tire dealer wants to predict the number of tires sold each month. He believes that the number of tires sold is a linear function of the amount of money invested in advertising. He randomly selects 6 months of data consisting of monthly tire sales (in thousands of tires) and monthly advertising expenditures (in thousands of dollars). The simple linear regression equation is ŷ = 3 + 1x. The dealer randomly selects one of the six observations, with a...
Question 47 (20 points) A local tire dealer wants to predict the number of tires sold each month. He believes that the number of tires sold is a linear function of the amount of money invested in advertising. He randomly selects 6 months of data consisting of tire sales (in thousands of tires) and advertising expenditures (in thousands of dollars). Based on the data set with 6 observations, the simple linear regression model yielded the following results. X = 24...
Croy Inc. has the following projected sales for the next five months: Month April May Sales in Units 3,560 3,920 4,560 4,140 3,940 June July August Croy's finished goods Inventory policy is to have 50 percent of the next month's sales on hand at the end of each month. Direct materials costs $3.10 per pound, and each unit requires 2 pounds. Direct materials inventory policy is to have 50 percent of the ne month's production needs on hand at the...