Multiple Choice
In order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period.Assume the population standard deviation is 1.8 hours.The standard error of the mean is
A) 7.50.
B) .39.
C) 2.00.
D) .20.
Correct Answer:

Verified
Correct Answer:
Verified
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