In Problem 14.4 on page 583, you used sales and number of orders to predict distribution costs

Question:

In Problem 14.4 on page 583, you used sales and number of orders to predict costs at a mail-order catalog business (stored in WareCost). Use the results from that problem.
a. Determine whether there is a significant relationship between costs and the two independent variables (sales and number of orders) at the 0.05 level of significance.
b. Interpret the meaning of the p-value.
c. Compute the coefficient of multiple determination, r2, and interpret its meaning.
d. Compute the adjusted r2. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...