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  • What does it mean to have a standard deviation of zero for a sample?

    偏差 分数 均值

    Questioner:Charlotte Clark 2023-06-17 12:09:01
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  • Elijah Foster——Works at Airbnb, Lives in San Francisco, CA

    Explain your answer. SS = --(X - )2. When you square a real number, the result is always non-negative. ... The only way that each squared deviation score can be equal to 0 is if all of the scores equal the mean. Thus, when the standard deviation equals 0, all the scores are identical and equal to the mean.read more >>
    +119962023-06-20 12:09:01

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