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Sixty-five elements were randomly sampled from a population that has 200 elements. the sample mean is 180 with a variance of 135. the distribution of the population is unknown. …
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Sixty-five elements were randomly sampled from a population that has 200 elements. the sample mean is 180 with a variance of 135. the distribution of the population is unknown. …
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Feb 11, 2018
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Sixty-five elements were randomly sampled from a population that has 200 elements. the sample mean is 180 with a variance of 135. the distribution of the population is unknown. the standard error of the mean is
Mathematics
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Art Gillespie
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Sample size = 65
mean = 180
variance = 135
Standard Deviation is square root of the variance. So standard deviation = 11.6
Standard Error of the mean = Standard Deviation / square root of sample size
= 11.6 / 8.06 = 1.44
Chamathabeysinghe
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Feb 17, 2018
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Chamathabeysinghe
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