A group of statistics students decided to conduct a survey at their...

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cred1747

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...university to find the mean average (me? A group of statistics students decided to conduct a survey at their university to find the mean average (mean) amount of time students spent studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students studied an average of 20 hours per week with a standard deviation of 10 hours.

What is the standard error of the mean?
A. 0.83
B. 10 (more, next page)
C. 0.5
D. 2
E. None of the above
 
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