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March 27, 2015

Homework Help: ci

Posted by Tony on Saturday, November 19, 2011 at 4:54pm.

A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is obtained. The average score for public high school student is 1000 (ó= 200). What is the CI?

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