Size of the standard error
What can a researcher do to influence the size of the standard error?
What can a researcher do to influence the probability of type 1 error?
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In a survey of 2000 adults 50 years and older of whom 80% were retired and 20% were pre-retired, the following question was asked: Do you expect your income needs to vary from year to year in retirement?
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What can a researcher do to influence the size of the standard error? What can a researcher do to influence the probability of type 1 error?
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