Question

Compute r² for the following data. The sum of squares of error (SSE) is 70,940. Discuss the value of r² obtained.

(Round your answer to 3 decimal places.)

Advertising	Sales
12.5	148
3.7	55
21.6	338
60.0	994
37.6	541
6.1	89
16.8	126
41.2	379

1) r² =???
2) This is a ??? ( relatively high or modest or relatively low) value of r².

Answer 1

The statistical software output for this problem is:

Hence,

1. r2 = 0.898

2) This is a relatively high value of r2.