A Man Wanted to See If the Median Time to Get

question 42

Multiple Choice

A man wanted to see if the median time to get to work was at least 15 minutes. In a random sample of 40 days, he found that 30 days took more than 15 minutes and the rest took less than 15 minutes. Is there
Enough evidence to support his claim if he uses an =.05?

• A) The critical value is less than the test statistic; therefore, there is not enough evidence to support the hypothesis.
• B) The critical value is greater than the test statistic; therefore, there is not enough evidence to support the hypothesis.
• C) The critical value is less than the test statistic; therefore, there is enough evidence to support the hypothesis.
• D) The critical value is greater than the test statistic; therefore, there is enough evidence to support the hypothesis.

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Definitions:

Prefrontal Cortex

A region of the brain associated with decision making, social behavior, personality, and cognitive planning.

Limbic System

A collection of brain structures responsible for emotion.

Testosterone

A primary male sex hormone responsible for the development of male physical characteristics, but also present in females in smaller amounts, affecting libido and energy levels.

Facial Expressions

Visible changes to the face that can convey emotions, intentions, or social information to others.