image Use the One Variable Statistics and Graphs applet for Exercises 14–16. Work with the TIMSS scores from Example 32.

Question 2.330

16. Click on the Stem-and-leaf tab. The previous two exercises left us with two different ideas as to the shape of the distribution.

  1. Now produce a stem-and-leaf display of the TIMSS scores.
  2. Compare the regular stem-and-leaf display with the split-stem stem-and-leaf display. Which is preferable for this data set?
  3. Use your preferred stem-and-leaf display from (b) to describe the shape of the distribution.
  4. Which of the two histograms does your description in (c) support?