Advanced Placement (AP)

Researchers wanted to measure the effect of alcohol on the development of...

Researchers wanted to measure the effect of alcohol on the development of the hippocampal region in adolescents. The researchers randomly selected 12 adolescents with alcohol use disorders. They wanted to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02 cm3 . An analysis of the sample data revealed that the hippocampal volume is approximately normal with x=11 and s=.06. Conduct an appropriate test at the a=0.05 level of significance. Find the test statistic.
enter your response here
(Round to two decimal places as needed.)
Find the P-value.
The P-value is
enter your response here.
(Round to three decimal places as needed.)
What conclusion can be drawn?
answer
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Researchers wanted to measure the effect of alcohol on the development of the hippocampal region in...

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