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he mean of a population being sampled is 64, and and the standard deviation is 6. If the sample size is 50, the standard error of the mean is . (Round off your answer to the nearest hundredth.)
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standard error refers to the standard deviation of the sample means ... and its an adjustment to the populations standard deviation according to the sample size.
if pop sd is unknown, i spose the samples sd is fair to use
i still dont get it
there is some formulas in your material, post the ones that you think might be applicable here.
x=sum of values divided by sample size
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hmm, thats a formula for a mean ... we want something more like this \[SE=\frac{\sigma}{\sqrt n}\]
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