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

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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 23 adolescents with alcohol use disorders to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9 02 cm An analysis of the sample data revealed that the hippocampal volume is approximately normal with no outliers and x 8 01 cm and s 0 8 cm Conduct the appropriate test at the 0 01 level of significance State the null and alternative hypotheses Hoi H H H Type integers or decimals Do not round Identify the t statistic Round to two decimal places as needed Identify the P value P value Round to three decimal places as needed Make a conclusion regarding the hypothesis the null hypothesis There sufficient evidence to claim that the mean hippocampal volume is

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