a community has 1500 people with a mean age of 42 and the variance of 16 random sample of 30 - Maths - Probability

Question

a community has 1500 people with a mean age of 42 and the variance
of 16 random sample of 30 people what are the mean variance and
standard error of the sampling distribution of their ages

A N S H U L · Answer

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a community has 1500 people with a mean age of 42 and the variance of 16 random sample of 30 people what are the mean variance and standard error of the sampling distribution of their ages