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OpenStudy (anonymous):

what are sat scores of middle 80% of students?

OpenStudy (anonymous):

mean=488 std=114

OpenStudy (anonymous):

|dw:1444888025613:dw|

OpenStudy (anonymous):

how do I do this one?

OpenStudy (anonymous):

in general, you have a normal distribution curve, which means, you have below the mean, and above the mean. And it follows this: |dw:1444888695495:dw|

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