According to Current Population Reports, the population distribution of number of years of education for self-employed individuals
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According to Current Population Reports, the population distribution of number of years of education for self-employed individuals in the United States has a mean of 13.6 and a standard deviation of 3.0.
Find the mean and standard error of the sampling distribution of ¯y for a random sample of
(a) 9 residents,
(b) 36 residents,
(c) 100 residents. Describe the pattern as n increases.
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