Use the Given Degree of Confidence and Sample Data to Construct

question 47

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean $\mu$ . Assume that the population has a normal distribution.
-A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95%
Confidence interval for the mean score of all such subjects.

• A) \(74.6 < \mu < 77.8\)
• B) \(64.2 < \mu < 88.2\)
• C) \(69.2 < \mu < 83.2\)
• D) \(67.7 < \mu < 84.7\)

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Definitions:

Displacing

Redirecting emotional impulses from a primary target to a secondary target that is considered less threatening or more acceptable.

Denial and Repression

Defense mechanisms in psychology wherein denial involves refusing to acknowledge reality, while repression involves unconsciously blocking unpleasant thoughts and feelings.

Projection and Denial

Defense mechanisms; projection involves attributing one's own unacceptable thoughts or feelings to others, while denial involves refusing to acknowledge reality or facts.

Projection and Rationalization

Projection and rationalization are defense mechanisms; projection involves attributing one's own unacceptable thoughts or feelings to others, while rationalization involves justifying behaviors or feelings with seemingly logical reasons to avoid the true explanation.