Exhibit 10

question 17

Multiple Choice

Exhibit 10.8.A new sales training program has been instituted at a rent-to-own company.Prior to the training,10 employees were tested on their knowledge of products offered by the company.Once the training was completed,the employees were tested again in an effort to determine whether the training program was effective.Scores are known to be normally distributed.The sample scores on the tests are listed next.Use pre-test score as population 1 and post-test score as population 2,or as the mean of the differences calculated as pre-test score minus post-test score. Refer to Exhibit 10.8.What is the conclusion for the test at ?

• A)Given the critical value 1.645,we conclude that training increases scores.
• B)Given the critical value 2.015,we conclude that training increases scores.
• C)Given the critical value -2.015,we conclude that training increases scores.
• D)Given the critical value -1.645,we conclude that training increases scores.

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Definitions:

Past Data Points

Historical values or observations that have been recorded and can be analyzed to understand trends or patterns.

Linear-Regression Analysis

A straight-line mathematical model to describe the functional relationships between independent and dependent variables.

Independent Variables

Variables in statistical or mathematical modeling that are manipulated or changed to assess their effect on dependent variables.

Dependent Variables

Variables in an experiment or study whose changes depend on the effects of other variables (independent variables).