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April 19, 2015

Homework Help: statistics

Posted by julie on Sunday, April 29, 2012 at 1:58pm.

a random sample of 20 prices for summer sleeping bags was taken with a sample mean of $83.75 and a sample standard deviation of $29.97

a. Find a 95% confidence interval for the mean price of all summer sleeping bags.

b. what is m i.e., what is the margin of error?

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