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October 23, 2014

Homework Help: Statistics

Posted by Jasmine on Sunday, March 25, 2012 at 2:40am.

A large furniture store has begun a new ad campaign on local television. Before the campaign, the long term mean daily sales were $24,819. A random sample of 40 days during the new ad campaign gave a sample mean daily sale of $25,910. Does this indicate that the population mean daily sales is now more than $24,819? Use a 1% level of significance. Assume o = $1,917.

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