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10 December, 20:06

the mean of a set of data is 5.73 and its standard deviation is 3.44. find the z score for a value of 13.87

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  1. 10 December, 20:29
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    z-score = 2.366

    Step-by-step explanation:

    Given: mean of a set of data is u = 5.73

    standard deviation s = 3.44

    value or score x = 13.87

    To find : z-score

    Formula used: Z = (score - mean) / standard deviation

    Solution: Z = (x-u) / s

    Z = (13.87 - 5.73) / 3.44

    Z=8.14 / 3.44

    Z = 2.366
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