The instructor computed the standard deviation of the set of

The instructor computed the standard deviation of the set of 300 means. This value approximates which of the following?

a. standard deviation of the population.

   b. standard error of the mean.

   c. variance of the population.

   d. mean of the population.

   e. mean of the sample.

Solution

OPTION B: The standard error of the mean. [ANSWER]

****************

If you have sample means, and you find their standard deviations, then what would be especially called \"standard error of the mean\", like above.