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Chapter 2.4

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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Chapter 2.4

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  1. 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.

  2. Vocabulary 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.

  3. Making a Frequency Table What is your favorite color? To find out which color is chosen most often, we can make a frequency table. MAKE IT!!

  4. Line Plot 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

  5. Your Turn Now How many siblings (brothers and sisters) do you have? Let’s make a frequency chart for the class.

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