1. Construct stem-and-leaf and dotplot displays based on the investment portfolio values in the data file (XR02017) for Exercise 2.17.
2. Construct stem-and-leaf and dotplot displays based on the access times in the data file (XR02018) for Exercise 2.18.
3. Construct stem-and-leaf and dotplot displays based on the e-mail receipts in the data file (XR02019) for Exercise 2.19.
4. City tax officials have just finished appraising 60 homes near the downtown area. The appraisals (in thousands of dollars) are contained in data file XR02027. Construct stem-and-leaf and dotplot displays describing the appraisal data.
5. The manufacturer of a water-resistant watch has tested 80 of the watches by submerging each one until its protective seal leaked. The depths (in meters) just prior to failure are contained in data file XR02028. Construct stem-and-leaf and dotplot displays for these data.
Note: These graphs and charts can be done by hand, but, if possible, use the computer and your statistical software.