Recently, a University Surveyed Recent Graduates of the English Department

question 22

Multiple Choice

Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates returned the survey. The average salary was $25,000. The population standard deviation is known to be $2,500. Interpret the results of the 95% confidence interval.

• A) The population mean is in the interval.
• B) The population mean is not in the interval.
• C) The likelihood that any confidence interval based on a sample of 400 graduates will contain the population mean is 0.95.
• D) There is a 95% chance that the computed interval does not contain the population mean.

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Definitions:

Goal Difficulty

The level of challenge involved in achieving a particular objective, which can affect motivation and effort.

Goal Clarity

The extent to which the objectives or targets of an activity, project, or endeavor are clearly understood and defined.

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