Chapter 11, Problem 11.8P

$\boxed{PA}$ All applicants to the Police Academy are given an aptitude test, but the test has never been evaluated to see if test scores are in any way related to job performance. Describe the strength and direction of the relationship in a sentence or two. Should the test continue to be administered? Why or why not?

Efficiency	Test Scores
	Low	Moderate	High	Totals
Low	12	6	7	25
Moderate	9	11	9	29
High Totals	$\frac{5}{26}$	$\frac{9}{26}$	$\frac{10}{26}$	$\frac{24}{78}$