Stem and Leaf Plots Notes
In a stem-and-leaf plot, the data are ordered from least to greatest
and are organized by place value.
 You can use stem-and-leaf plots to organize large data sets so
that they are easier to interpret.
WRITING STEM-AND-LEAF PLOTS:
1. Represent the data from the table
in a stem-and-leaf plot.
Step 1: Draw a vertical line and write
the tens digits from least to greatest
on the left side of the line. These
digits form the STEMS.
o Since the least value is 2
and the greatest value is
45, the stems are 0, 1, 2,
3, and 4.
Step 2: Write the ones digits in order
on the right side of the line with the
corresponding stem. The ones digits
form the LEAVES. Each leaf represents
one data value, so repeating values
are each represented.
Step 3: Include a KEY that explains the
stems and leaves.
2. Represent the data from the table in a stem-and-leaf plot.
Calcium per serving in selected vegetables (mg): 14, 19, 10, 38,
32, 33, 40, 61, 34, 38, 55, 27, 14, 48
4. The stem and leaf plot shows the
results of the math test scores for
her students. Interpret the data.
Step 1: Draw your lines and write
the place value digits (your stems)
on the left.
The lowest score: _________
Step 2: Write the following digits
(your leaves) on the right.
Range of values: _________
The highest score: _________
Mode: __________
Step 3: Write a key that explains
your stems and leaves.
Median: _________
This means ____________________________________________
______________________________________________________
INTERPRETING STEM-AND-LEAF PLOTS:
3. The stem-and-leaf plot shows the
approximate height of the twenty tallest
waterfalls in the world. Interpret the data.
5. Determine the median, mode, and range of the data shown in
the stem-and-leaf plot below.
Tallest waterfall is about _________ meters.
The lowest number made: ________
Shortest waterfall is about _________ meters.
The highest number made: _______
Range of values: __________ meters
Range of values: _________
Median: _________ meters, so half of the
waterfalls in the list are at least 610 meters tall.
Mode: __________
The modes are _________ and _________
meters.
Most values occur in the _____________
interval.
Free Throws Made
Stem Leaf
1 4 8
2 0 1 3 5 5
3 0 1 2 3 4 5
4 2
3 | 2 = 32 free throws
Median: _________
This means ____________________________________________
______________________________________________________