Construct stem-and-leaf and dotplot displays based on the website access times in the data file for given Exercise.
Exercise
One of the ways Keynote Systems, Inc., measures Internet shopping site performance is by visiting a site and measuring how long it takes to come up on the user's PC. In one such study, they found the average time for an Internet shopping site to come up was 21.80 seconds.
Assume that website administrators for sears.com try their own site on 80 random occasions and come up with the times (in seconds) contained in data file XR02018. Generate a frequency distribution and histogram describing this information. Comment on whether the site seemed to be especially fast or slow coming up on any of the visits.