Exhibit 18-4 It Has Been Hypothesized That There Is No Difference in Difference

question 21

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. The null hypothesis is to be tested at the 5% level. The decision rule is not to reject the null hypothesis if

• A)-1.96 < z < 1.96
• B)-1.645 < z < 1.645
• C)z > 1.96 or z < -1.96
• D)the number of "+" signs is greater than or equal to 2 but less than or equal to eight

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Definitions:

Consumerism

An economic and social system that promotes the continuous increase in the purchase and consumption of goods and services.

Globalization

The process of interaction and integration among people, companies, and governments worldwide, driven by international trade and investment and aided by information technology.

Culture Diversification

The process by which a culture becomes more varied and complex through the incorporation of different ethnic, social, or cultural influences.

Globalization

The process by which businesses or other organizations develop international influence or start operating on an international scale.