Exhibit 10-13
in Order to Determine Whether or Not There $\mu$

question 4

Multiple Choice

Exhibit 10-13
In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated.
-Refer to Exhibit 10-13. The null hypothesis for this test is

• A)\(\mu\)1 - \(\mu\)2 \(\neq\) 0
• B)\(\mu\)1 - \(\mu\)2 > 0
• C)\(\mu\)1 - \(\mu\)2 < 0
• D)\(\mu\)1 - \(\mu\)2 = 0

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Definitions:

Stroke

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Cleft Lip

A congenital deformity characterized by a split or opening in the upper lip, which may affect appearance, speech, and eating.

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