Exhibit 18-4 It has been hypothesized that there is no difference in the mathematical accuracy of men and women. A sample of men and women were given math tests. The scores on the tests are given below. -Refer to Exhibit 18-4. Calculate a Spearman rank-correlation coefficient for 20 pairs of data when $\Sigma$d_i² = 50. A)0.0063 B)0.0376 C)0.9624 D)0.9937

Question

Quizplus · Accepted Answer

Using a calculator or software, we can find the Spearman rank-correlation coefficient to be 0.9624. This indicates a strong positive correlation between the scores of men and women on the math test.

Exhibit 18-4 It Has Been Hypothesized That There Is No Σ\SigmaΣ

Exhibit 18-4
It Has Been Hypothesized That There Is No $\Sigma$