Recently, a University Surveyed Recent Graduates of the English Department

question 47

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 5% chance that the computed interval does not contain the population mean.

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Definitions:

Functional Fixedness

Functional fixedness is a cognitive bias that limits a person to using an object only in the way it is traditionally used, which can hinder the solving of new problems.

Positive Transfer

The beneficial effect of past learning on the acquisition of new knowledge or skills.

Means-end Analysis

A problem-solving technique that involves breaking down a problem into smaller, more manageable parts to achieve a desired goal.

Mental Set

A tendency to approach situations in a certain way because that method worked in the past.