# In Problem 40, Infoworks believes its printer sales are also related to the average price of its

## Question:

Average Printer

Year ......... Price

1 .......... $475

2 ............ 490

3 ............ 520

4 ............ 420

5 ............ 410

6 ............ 370

7 ............ 350

8 ............ 300

9 ............ 280

10 ............ 250

a. Using Excel, develop the multiple regression equation for these data.

b. What is the coefficient of determination for this regression equation?

c. Determine the forecast for printer sales, based on personal computer sales of 1,500 units and an average printer price of $300.

Fantastic news! We've Found the answer you've been seeking!

## Step by Step Answer:

**Related Book For**