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# Chapter 2.4 - PowerPoint PPT Presentation

Joseph Williams Melvin E. Sine Elementary Jwilliams@gesd40.org. Chapter 2.4. McDougal Littell Middle School Math Course 1. Objective : Create and interpret frequency tables and line plots. Vocabulary. Data – pg. 72 - information, often given in the form of numbers or facts.

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Melvin E. Sine Elementary

Jwilliams@gesd40.org

Chapter 2.4

• McDougal Littell Middle School Math Course 1

Objective: Create and interpret frequency tables and line plots.

Data – pg. 72 - information, often given in the form of numbers or facts.

Frequency Table – pg. 72 - a table that displays the number of times each item or category occurs in a data set.

Line Plot – pg. 73 - a number line diagram that uses X marks to show the frequencies of items or categories being tallied.

What is your favorite color?

To find out which color is chosen most often, we can make a frequency table.

MAKE IT!!

When the items or categories being tallied are numbers, a line plot can be used to visually display the data. A line plot uses X marks above a number line to show the frequencies.

XXXXXX

The X marks above the number line show the frequencies.

XXXXX

XXXXX

XXXX

The Number Line shows the number of books read.

XX

1

2

3

4

5

6

7

Number of Books Read

How many siblings (brothers and sisters) do you have?

Let’s make a frequency chart for the class.