For Exercise 1.15, see page 9; for 1.16 and 1.17, see page 10, for 1.18 and 1.19, see pages 11-12; for 1.20 and 1.21, see page 15; for 1.22 and 1.23, see page 19; and for 1.24, see page 20.
1.22 Make a stemplot.
Make a stemplot for a distribution that has a single peak and is approximately symmetric with one high and two low outliers.