When interpreting a stem-and-leaf plot, examine the display for things such as which of the following? (Select all that apply.)

(a) a representative or typical value in the data set
(b) the presence of any gaps and outliers
(c) the variability of the data
(d) specific data values
(e) the number and location of peaks
(f) the number of data points
(g) the shape of the data distribution
(h) the units for stems and leaves