16. The following data represent the amount of time (in minutes) each day a sample of college students spen online watching videos. Construct a 99% confidence interval for the population mean time students spent watching online videos.
15.0
16.25
18.0
12.5
14.75
14.5
17.2
16.6
15.8
15.5
14.2
16.75
15.4
19.8
18.2
16.4
17.8
16.5