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Name: In a study, researchers wanted to measure the effect of alcohol on th
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Description: 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 15 adolescents with alcohol use disord

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 15 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 no outliers and x=8.02 cm3 and s=0.7 cm3. Conduct the appropriate test at the α=0.01 level of significance.

Identify the t-statistic.

t0=_____?

(Round to two decimal places as needed.)

Identify the P-value.

P-value=____?

(Round to three decimal places as needed.)

State the null and alternative hypotheses.

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