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July 6, 2015

Homework Help: Statistics

Posted by Michelle on Thursday, September 11, 2008 at 1:29am.

Hello I need help solving a statistics problem and have no idea where to start. Can anyone help?

In a recent national survey, the mean weekly allowance for a nine-year-old child from his or her parents was reported to be $3.65. A random sample of 45 nine-year-olds in northwestern Ohio revealed the mean allowance to be $3.69 with a standard deviation of .24. At the .05 level of significance, is there a difference in the mean allowances nationally and the mean allowances in northwestern Ohio for nine-year-olds?

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