A Researcher Believes That the Median Lowest Temperature for February

question 12

Multiple Choice

A researcher believes that the median lowest temperature for February is 30 degrees Fahrenheit. A random sample of 14 years yields the following lowest temperatures for February, in degrees Fahrenheit:
15 15 17 19 19 21 22 24 25 27 30 32 36 38
Test the researcher's hypothesis at α = 0.05.
You may use the following abbreviated table of critical values (two tailed, = .05) taken from Table J:

• A) Reject the claim because the test value 4 is more than the critical value 3.
• B) Do not reject the claim because the test value 3 is equal to the critical value 3.
• C) Reject the claim because the test value 4 is more than the critical value 2.
• D) Do not reject the claim because the test value 3 is more than the critical value 2.

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Definitions:

Violent Acts

Behaviors that involve physical force intended to hurt, damage, or kill someone or something.

Childhood Maltreatment

Adverse experiences during childhood, including abuse and neglect, impacting an individual's development and wellbeing.

MAO

Monoamine oxidase, an enzyme that breaks down neurotransmitters such as serotonin and dopamine, playing a role in mood regulation.

Positive Psychology

An area of psychology focused on the study of positive human functioning and flourishing on multiple levels.