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

question 48

Multiple Choice

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

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