Friday
February 27, 2015

Homework Help: Statistics

Posted by Diandra on Tuesday, October 26, 2010 at 9:46am.

find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. Can someone explain the steps to solve this? Thanks so much.

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