**Chapter 15**

3. 29

9. 0.667

10a. r =0.92, t(3) = 4.16, p = 0.025

10b. b = 1.73, t(3) = 4.16, p = 0.025.

0.41 ≤ Population Slope ≤ 3.05

11.

Y' = .481 X + 15.864 where:

Y' is the predicted Wonderlic score and X is the score on the Identical Blocks
Test.

The predicted score of a person with a score of 25 on the Identical Blocks Test
= 27.889.