Exhibit 19-5
It Has Been Hypothesized That There Is No $\sigma$

question 18

Multiple Choice

Exhibit 19-5
It has been hypothesized that there is no difference in the mathematical ability of men and women. To test this hypothesis, it was decided to use the Mann-Whitney-Wilcoxon test. A sample of men and women were given math tests. The scores on the tests are given below.
-Refer to Exhibit 19-5. The standard deviation ( $\sigma$ _T) is

• A)10
• B)11.5
• C)14.2
• D)110

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Definitions:

Solution Strategy

An approach or plan designed to solve a particular problem or to achieve a specific goal.

Means-end Analysis

A problem-solving strategy that involves breaking down the problem into smaller parts and achieving the desired goal through a series of steps.

Subgoals

Intermediate goals set as part of a strategy to achieve a larger, primary goal, making complex tasks more manageable by breaking them down.

Cognitive Capacities

The mental abilities or processes that are part of human cognition, such as memory, reasoning, and perception.