Given a mean of 21 and a standard deviation of 1.2, what is the z-score of 21?

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Given a mean of 21 and a standard deviation of 1.2, what is the z-score of 21?

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Neala 5 months 2021-09-03T22:12:45+00:00 1 Answers 2 views 0

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  1. diemkieu
    0
    2021-09-03T22:13:58+00:00
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    zero the z score of the mean is always zero

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )