In a study, researchers wanted to measure the effect of alcohol on the lippocampal region, the portion of the bran responsible for long term memory storage, in adolescents. The researchers randomly selected 11 adolescents wth aicohol 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 17 cm ard s -08 cm Conduct the appropriate test a: the = 0 01 level of signif cance. State the null and alternative hypotheses Hy: H 9.02 H H < l9 02 (Type integers or decimals. Do not round) Identify the t-statistic. tn = (Round to two decimal piaces as needed.) Identity the P-value P-vaue = 001 (Round to three decimal places as needed.) Make a conclusion regarding the hypothes is. less tha- J9 02 cm sutticiert ev dence so clam tar the mean h ppecAnDEl valume is Rejec! the null hypothesis. There is Next Statcrunch 回 目 A▼自 9ss

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A: solve x2=-169

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A:

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A:

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A:

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A:

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