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The Survey of Study Habits and Attitudes SSHA is a psychological test that measures the...

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The Survey of Study Habits and Attitudes SSHA is a psychological test that measures the motivation attitudes and study habits of college students Scores range from 0 to 200 and follow approximately a normal distribution with mean 115 and standard deviation o 25 You suspect that incoming freshman have a mean which is different from 115 since they are often excited yet anxious about entering college To verify your suspicion you test the hypotheses Ho M 115 H M 115 You give the SSHA to 25 students who are incoming freshman and find their mean score is 116 2 Assume that the scores of all incoming freshmen are approximately normal with the same standard deviation as the scores of all college students The value of the z test statistic for the given sample is then

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