OpenStudy (anonymous):

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.)

2 years ago
OpenStudy (amistre64):

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.

2 years ago
OpenStudy (amistre64):

if pop sd is unknown, i spose the samples sd is fair to use

2 years ago
OpenStudy (anonymous):

i still dont get it

2 years ago
OpenStudy (amistre64):

there is some formulas in your material, post the ones that you think might be applicable here.

2 years ago
OpenStudy (anonymous):

x=sum of values divided by sample size

2 years ago
OpenStudy (amistre64):

hmm, thats a formula for a mean ... we want something more like this \[SE=\frac{\sigma}{\sqrt n}\]

2 years ago