In order to estimate the average time spent on the computer terminals per student, data were collected for a sample of 49 busine
ss students over a one week period. Assume the population standard deviation is 1.4 hours. The standard error of the mean is a 0.20 b 0.30 c 5 d 7
1 answer:
Answer:
a 0.20
Step-by-step explanation:
The standard error of the mean can be calculated using the formula
SE=
where
- s is the population standard deviation of the time spend on the computer (1.4 hours)
- N is the sample size of the data collected. (49)
Using the numbers SE=
=0.20
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