Exhibit 12-7 You Want to Test Whether or Not the Following Sample

question 74

Multiple Choice

Exhibit 12-7
You want to test whether or not the following sample of 30 observations follows a normal distribution. The mean of the sample equals 11.83, and the standard deviation equals 4.53.
-Refer to Exhibit 12-7. At 95% confidence, the conclusion of the test is that the

• A)data follows a normal distribution
• B)data does not follow a normal distribution
• C)test is inconclusive
• D)None of these alternatives is correct.

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Definitions:

Complete Observer

A research role where the investigator observes subjects without interacting with them, remaining completely detached to avoid influencing their behavior.

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Someone who believes in absolute principles of right and wrong, regardless of the context or situation.

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A clearly and enthusiastically communicated agreement to participate in an activity or process, emphasizing the importance of voluntary participation.