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The Kennedy math department is running 38 courses numbered below 100 this semester. The mean number...

The Kennedy math department is running 38 courses numbered below 100 this semester. The mean number of students per class is 28.29, and the standard deviation was calculated to be 7.99. Test the hypothesis that the mean number of students in a lower division math course in any given year is less than 30 at a significance level of .1.

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Z test hypothesis calculation.

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