1. Objective: Learn to Display and Analyze Stem-and-leaf diagrams.

2. A Stem and Leaf Diagram shows how often numbers occur (repeat) and how they are distributed.
A stem and Leaf shows data horizontally.
The numbers are split into a stem and a leaf.
A number of 1-digit has a stem of 0, and the number is placed in the leaf.
For a number of 2-digits, the tens digit is the stem and the ones digit is the leaf.
For a 3-digit number, the first two digits make up the stem, and the third digit (ones place) makes up the leaf.

3. Example with steps: Construct a Stem-and-Leaf Diagram
Exam Scores
_Stem__ Leaf__
, 5, 9
, 3, 3, 8
, 5, 7, 9
Step 1
Order the data from least to greatest.
Step 2
Draw a vertical line and a horizontal line, forming a t.
Step 3
Write the tens digits from least to greatest to the left of the line. These digits form the stems.
Write the ones digits in order to the right of the line with the corresponding stem. The ones digits form the leaves.
In this data, the tens digits form the stems.
The ones digits of the data form the leaves.

4. Your Example: Display the data in a stem-and-leaf diagram.
Homework Time
(in minutes)
Step 1: Write numbers from least to greatest.
Step 2:
Stem Leaf

5. Stem and Leaf Homework: