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12 May, 14:27

Which of the following numbers would be an outlier if added to the data set below?

372, 351, 299, 406, 387, 315, 364, 308

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  1. 12 May, 14:44
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    406,209,308

    According to their deviation from the mean 350.25

    Step-by-step explanation:

    To Know an outlier we'll determine it by looking for the mean of the data set first then checking the deviation of the numbers each from the mean.

    Mean = (372+351+299+406+387+315

    +364+308) / 8

    Mean = 2802/8

    Mean = 350.25

    Ok now let's determine the deviations

    372 - 350.25 = 21.75

    351 - 350.25 = 0.75

    299 - 350.25 = - 51.25

    406 - 350.25 = 55.75

    387 - 350.25 = 36.75

    315 - 350.25 = - 35.25

    364 - 350.25 = 13.75

    308 - 350.25 = - 42.25

    According to the magnitude of the deviation 406 and 299 has the highest deviation so they are the outliers followed by 308
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