A stem and leaf display is a good method of displaying large amounts of data.

false
false
True
true
False
Stem and leaf displays can be unwieldy with large amounts of data because every single data value is shown in the figure.
The highest value in the dataset is:

132
0.0
stemqa.gif
The highest value is 132. You multiply the stem by 10 and add the leaf. For the highest value, this is (10)(13) + 2.
How many scores are between 40 and 50?

4
0.0
stemqa.gif
There are four scores with a stem of four: 44, 47, 48, and 49.
The largest value is:

6
0.0
stemqb.gif
The stems are multiplied by one, so the highest is (1)(6) + 0.0.
The smallest value is:

-2.8
0.0
stemqb.gif
The stems are multiplied by one, so the lowest is (1)(-2) - 0.8. Note that with negative stems, the leaves are subtracted.
Stem and leaf displays are good for comparing two groups.

false
true
True
false
False
Back-to-back stem and leaf displays are good for comparing two groups.
Stem and leaf displays are good for comparing three groups.

false
false
True
true
False
Stem and leaf displays are not well suited for comparing three or more groups.