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college statistics

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assume the population of heights of female college students mean of 64.37 inches standard deviation of 6,26 in and random sample of 74 find p(x>65.25)B. find p(x>65.25)c. why is formulas required to solve a different than c.

  • college statistics -

    Is x the individual score or the mean?

    If it is the score,

    Z = (score-mean)/SD

    If it is the mean,

    Z = (score-mean)/SEm

    SEm = SD/√n

    The first is a distribution of scores and the second deals with the distribution of means.

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