A Sociologist Develops a Test to Measure Attitudes About Public

question 3

Multiple Choice

A sociologist develops a test to measure attitudes about 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)(64.2, 83.2)
• B)(64.2, 88.2)
• C)(74.6, 77.8)
• D)(69.2, 83.2)
• E)(67.7, 84.7)

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Definitions:

Prior Service Credit

A pension plan feature that grants employees credit for service periods before the commencement of the pension plan, affecting their benefits.

Defined Benefit Pension Plan

A retirement plan where the benefits that an employee will receive upon retirement are defined based on a formula considering factors such as salary history and duration of employment.

Service Cost

The portion of the pension expense that is recognized for the increase in pension benefits related to employee services of the current period.

Unrecognized Prior Service Cost

Costs not immediately recognized on the income statement related to retroactive benefits granted to employees in a pension plan amendment.