A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend 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?

Question

jim_thompson5910 · Answer

Hint:

Standard error of the mean (abbreviated SE)

SE = sigma/sqrt(n)

where sigma is the standard deviation