SAT, 03.04.2020 15:24 maciemarklin3032

2. Suppose that student ratings by males of a college course are normally distributed. For one
particular semester, the ratings given by males for this course are below.
4.0 3.6 4.1 3.5 4.6 4.0 4.3
a.) Calculate and interpret a 99% confidence interval for the true mean rating by males.
b.) What could theoretically change in part (a) to make the confidence interval wider?
(ie. How would one of the numbers have to change to result in a wider answer?)

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