You want to make a confidence interval for the true average number of users per day of the Real Player server at UF. A random sample of 8 days reveals the following numbers: 4593 5197 3865 4835 3900 3171 3559 18091 What is the standard error of the sample mean, x-bar? IMPORTANT: Keep all significant digits in your calculator until the very end.

Group of answer choices

621.47

1757.77

702.53

4971.72