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The GPAs for a sample of n = 6 freshmen at a certain college are listed below. Assuming the GPAs are normally distributed and that
The GPAs for a sample of n = 6 freshmen at a certain college are listed below. Assuming the GPAs are normally distributed and that = 0.43, find the 98% confidence interval of the true mean of the freshman class (no units are needed). Give the distribution used and the mean of the sample rounded to the nearest hundredth (two decimal places).Givealldigits provided by the calculator for the confidence interval.
3.283.072.732.712.862.40
Distribution used:
x
Confidence interval:
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