To build an interval estimate for mean annual textbook expense of all IUPUI undergraduate students, a random sample ofn = 108students was selected.From the sample data the following quantities were calculated.The sample data are in dollars.

x = 66620(x x) = 4484130

To build the interval estimate of the population mean, the standard error of the mean is:

Group of answer choices

24.65

22.14

19.70

1.90