A stem-and-leaf plot can help you compare data.

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Presentation transcript:

A stem-and-leaf plot can help you compare data. Stem-and-Leaf Plots A stem-and-leaf plot can help you compare data.

The heights of 11 fourth-grade badminton players are (in inches): 56 61 60 59 57 58 63 61 59

You can organize this data in a stem-and-leaf plot!

First, order your data from least to greatest. 56 57 58 59 60 61 63

Then, put your data in a stem-and-leaf plot.

The ordered numbers are: 56, 57, 58, 58, 59, 59, 60, 61, 61, 61, 63 Each STEM stands for the first digit of each number. Record the tens digits in order from least to greatest. HEIGHT IN INCHES Stem Leaves 5 6 6, 7, 8, 8, 9, 9 0, 1, 1, 1, 3

The ordered numbers are: 56, 57, 58, 58, 59, 59, 60, 61, 61, 61, 63 Each LEAF stands for the second digit of each number. Record the ones digits in order from least to greatest. HEIGHT IN INCHES Stem Leaves 5 6 6, 7, 8, 8, 9, 9 0, 1, 1, 1, 3

You can use a stem-and-leaf plot to find the median and the mode.

HEIGHT IN INCHES Stem Leaves 5 6 6, 7, 8, 8, 9, 9 0, 1, 1, 1, 3 MEDIAN Find the middle number in a set of numbers. The median is 59 inches. MODE Find the number that occurs most often in a set of numbers. The mode is 61 inches.

Now, let’s try one on our own!

Here are the scores of our volleyball games in a stem-and-leaf plot!

Volleyball Scores for Our Team Stem Leaves 5, 6, 7, 9 1 3, 5, 5, 5, 6

How many volleyball games were played? Stem Leaves 5, 6, 7, 9 1 3, 5, 5, 5, 6 9

5, 6, 7, 9, 13, 15, 15, 15, 16 What are the scores? Stem Leaves 5, 6, 7, 9 1 3, 5, 5, 5, 6 5, 6, 7, 9, 13, 15, 15, 15, 16

What is the median? Stem Leaves 5, 6, 7, 9 1 3, 5, 5, 5, 6 13

What is the mode? Stem Leaves 5, 6, 7, 9 1 3, 5, 5, 5, 6 15

Congratulations, you are on the way to being a stem-and-leaf expert!!