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State the null and alternative hypotheses

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Reference no: EM132409445

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 14 adolescents with alcohol use disorders to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02cm3. An analysis of the sample data revealed that the hippocampal volume is approximately normal with x overbar x equals=8.08cm3 and s equals=0.8cm3. Conduct the appropriate test at the alpha equals=0.01 level of significance.

A) State the null and alternative hypotheses.

B) Identify the test statistic

C) Identify the P-value

D) Make a conclusion regarding the hypothesis

Reference no: EM132409445

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