I select 30 random bags of rhinestones and weigh them. The sample standard deviation is 20 milligrams. Assuming the weig

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answerhappygod
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I select 30 random bags of rhinestones and weigh them. The sample standard deviation is 20 milligrams. Assuming the weig

Post by answerhappygod »

I select 30 random bags of rhinestones and weigh them. The
sample standard deviation is 20 milligrams. Assuming the weights
are normally distributed, construct 99% confidence intervals for
the population variance and standard deviation.
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