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August 29, 2014

Homework Help: statistics

Posted by concy on Saturday, January 21, 2012 at 11:59pm.

Can someone guide me on how to solve this problem: A sample of 52 night students ages is obtained in order to estimate the mean age of night school students. sample mean = 25.9 years. the population variance is 23. Give a point estimate for the mean. Find the 95% confidence interval for the mean lower and upper and the 99% confidence interval

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