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In a​ study, researchers wanted to measure the effect of alcohol on the hippocampal​ region, the...

In a​ study, researchers wanted to measure the effect of alcohol on the hippocampal​ region, the portion of the brain responsible for​ long-term memory​ storage, in adolescents. The researchers randomly selected 20 adolescents with alcohol use disorders 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 =8.03 cm3 and s=0.8 cm3. Conduct the appropriate test at the a=0.01 level of significance.

Identify the​ t-statistic.

t0= ________

​(Round to two decimal places as​ needed.)

P value = _________

​(Round to two decimal places as​ needed.)

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Answer #1

TOPIC:One sample t-test for the population mean.

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