Homework Help: college statistics

Posted by melba on Thursday, June 14, 2012 at 6:57pm.

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 - PsyDAG, Friday, June 15, 2012 at 2:15pm
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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