The grade point averages for 10 randomly selected students are listed below. Construct a 95% confidence...

The grade point averages for 10 randomly selected students are listed below. Construct a 95% confidence interval for the population variance and for the standard deviation. Write an interpretive sentence for the standard deviation. Assume the data are normally distributed.

2.3 4.0 3.1 1.8 3.3 2.5 0.5 3.8 2.3 2.7

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• 95% CI for variance and standard deviation is:

orchestra answered 1 year ago

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