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28 September, 09:41

What is the value of the 90th percentile for the data set? 6283 5700 6381 6274 5700 5896 5972 6075 5993 5581

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  1. 28 September, 12:16
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    The value would be 6335 at the 90th percentile.

    The mean of this list is 5985.5 and the standard deviation is 273.06. The z-score for the 90th percentile is about 1.28.

    With this information, we can write and solve the following equation to find the amount.

    (x - 5985.5) / 273.06 = 1.28

    x - 5985.5 = 349.5168

    x = 6335.0168
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