The Mean Age of Principals in a Local School District $\mu = 50.2$

question 6

Multiple Choice

The mean age of principals in a local school district is 50.2 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?

• A) There is sufficient evidence to reject the claim \(\mu = 50.2\)
• B) There is not sufficient evidence to reject the claim \(\mu = 50.2\)
• C) There is sufficient evidence to support the claim \(\mu = 50.2\)
• D) There is not sufficient evidence to support the claim \(\mu = 50.2\)

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Definitions:

Ounces

A unit of weight in the Imperial system equal to one-sixteenth of a pound, or 28.349 grams.

Mixed Numbers

Values that include both a whole number and a fractional part, indicating amounts more than one.

Improper Fractions

Ratios in which the top number is equal to or larger than the bottom number.

Lowest Terms

The simplest form of a fraction, where the numerator and denominator are reduced to their smallest possible values by dividing both by their greatest common divisor.