Mathematics, 15.04.2020 01:37 ahankaranth

In order to estimate the average time spent on the computer terminals per student at a local university, data were collected from a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.2 hours. The standard error of the mean is.

a. 7.5
b. 0.014
c. 0.160
d. 0.133

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