A Researcher Performs a Hypothesis Test to Test the Claim $\mathrm { H } _ { 0 }$

question 113

Multiple Choice

A researcher performs a hypothesis test to test the claim that among girls aged 9-10,the mean score on a particular aptitude test differs from 72,which is the mean score for boys of the same age.Use the computer output below to draw a conclusion about the girls' scores,using a significance level of 0.05. Test of $\mathrm { H } _ { 0 }$ : ? = 72 vs $\mathrm { H } _ { \mathrm { A } }$ : ? ? 72
N Mean StDev t P-value
19 75.88 12.7 1.33 0.20

• A)Reject the null - there is sufficient evidence to say that girls' aptitude scores are different from 72.
• B)Reject the null - there is not sufficient evidence to say that girls' aptitude scores are different from 72.
• C)Fail to reject the null - there is evidence to say that girls' aptitude scores are different from 72.
• D)Fail to reject the null - there is not sufficient evidence to say that girls' aptitude scores are different from 72.
• E)There is insufficient information to draw a conclusion.

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Definitions:

Behavioral Response

The observable reaction or action of an individual following a stimulus or in a particular situation.

Verbal Response

A spoken or written reply or reaction to a question, statement, or situation.

Nonverbal Response

Communication without words, using gestures, facial expressions, and body language to convey a message or reaction.

Audience-centered

Refers to a communication approach that tailors the message based on the audience's needs, interests, and expectations.