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March 29, 2015

Homework Help: statistics

Posted by Nancy on Tuesday, November 23, 2010 at 2:37pm.

The average math SAT score is 500 with a standard deviation of 100. A particular high school claims that its students have unusually high math SAT scores. A random sample of 50 students from this school was selected, and the mean math SAT score was 530. Is the high school justified in its claim? Explain.

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