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Posted by on Friday, February 1, 2013 at 11:01pm.

If the population standard deviation is   8, how
large a sample is necessary to have a standard error
that is:
a. less than 4 points?
b. less than 2 points?
c. less than 1 point?

  • Math - , Saturday, February 2, 2013 at 11:11am

    SEm = standard error of the mean

    SEm = SD/√n

    Insert values and solve.

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