According to a National Survey, the Average Commuting Time for People

question 7

Multiple Choice

According to a national survey, the average commuting time for people who commute to work is 19.0 minutes. Suppose a researcher wants to test this claim. Taking a random sample of 20 commuters, the researcher calculates a mean time of 19.346 minutes and a standard deviation of 2.842 minutes.
-How would you define the rejection region for this test at ? = .10?

• A)t < -2.821
• B)t < -1.761
• C)t > 1.729 and t < -1.729
• D)t > 2.306 and t < -2.306
• E)t > 3.787

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Definitions:

Working Generation

The group of individuals currently active in the workforce, contributing their labor and skills to the economy.

John Holland's Model

A theory that matches individuals' preferences in work environments to six personality types, aiding in career choice and satisfaction.

Social People

Individuals who exhibit a high degree of sociability, enjoying being with others and participating in social activities.

Tactful

The ability to communicate and act in a way that considers other people's feelings and reactions, often to avoid offense or conflict.