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28 October, 19:24

The average math sat score is 516 with a standard deviation of 114. a particular high school claims that its students have unusually high math sat scores. a random sample of 60 students from this school was selected, and the mean math sat score was 557. is the high school justified in its claim? explain.

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  1. 28 October, 19:49
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    The average sat score for this high school is higher than the average, but it is not unusually high, since it is inside the standard deviation.
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