Dick Sines Is a Manager in the Customer Service Department

question 27

Multiple Choice

Dick Sines is a manager in the customer service department of Grand Prix Auto Parts. According to a recent performance appraisal, Dick was told he was spending too much time trying to solve problems with the computer system in his area and not enough time supervising employees. The MAIN purpose of this performance appraisal is to ________.

• A) give Dick a chance to explain why he is spending time trying to fix the computer system
• B) give Dick's manager new insight into the operation of Dick's area
• C) give Dick feedback concerning whether he is focusing his effort in the right direction and on the right set of tasks
• D) provides documentation that Dick has been warned that he needs to spend more time supervising

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Definitions:

α

In statistics, α (alpha) typically represents the level of significance, the probability of rejecting the null hypothesis when it is actually true.

Null Hypothesis

A hypothesis that assumes no statistical significance exists in a set of given observations and that any observed difference is due to chance.

T = 1.965

A specific value often used in statistical analysis, particularly in hypothesis testing, where it represents a critical value in a t-distribution.

Critical Value

A point on the test distribution that is compared with the test statistic to decide whether to reject the null hypothesis.