My Math 3A class has 37 people. On the first exam they had an average score of 77.8 with a standard deviation of 12.1. Test the claim that the mean score will above 75 by the end of the semester. Please provide the claim, null hypothesis, test statistic, critical value and conclusion.

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Author:Amos Gilat
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My Math 3A class has 37 people. On the first exam they had an average score of 77.8
with a standard deviation of 12.1.
Test the claim that the mean score will above 75 by the end of the semester.
Please provide the claim, null hypothesis, test statistic, critical value and conclusion.
Transcribed Image Text:My Math 3A class has 37 people. On the first exam they had an average score of 77.8 with a standard deviation of 12.1. Test the claim that the mean score will above 75 by the end of the semester. Please provide the claim, null hypothesis, test statistic, critical value and conclusion.
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