Asked by Tracy
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?
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?
Answers
Answered by
PsyDAG
SEm = standard error of the mean
SEm = SD/√n
Insert values and solve.
SEm = SD/√n
Insert values and solve.
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