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April 21, 2014

Homework Help: statistics

Posted by Carl on Wednesday, June 8, 2011 at 9:55pm.

1. 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).

a. Is this a one- or two tailed test?

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