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Line Plot Definition & Practice

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Line Plot A line plot shows the spread of all the data on a number line. Easily identifies the mode. All line plots include: - a title - a horizontal line - data displayed by use of X’s

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**Line Plot Method of drawing a line plot**

If numbers are used: Order the values from least to greatest. (Note: some numbers may repeat). If words are used: place data into categories. Draw a number line and label with the values/categories above (only use repeated numbers/category once). Plot the values of each item on a number line by placing an X above the value which it corresponds. Continue to plot the values until all data is used. Repeated numbers: the X is placed vertically above the previous X. (See example next slide).

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**Line Plot Example: Favorite Colors X X X X X X X X X X X X X**

Red Blue Green Yellow Purple

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Line Plot Example: The following data set shows the hourly rates of different workers, in dollars. (10, 12, 8, 9, 10, 10, 9, 8, 12, 12, 10, 40, 12,10, 8, 11) Draw a line plot . X X X X X X X X X X X X X X X X 8 9 10 11 12 40

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**Line Plot Practice Draw a Line Plot.**

Students scored the following on their test: 99, 82, 78, 85, 98, 82, 85, 78, 98, 82 Draw a line plot. 2. Over 3 years several dogs had litters of puppies. Draw a line plot showing the number of puppies born. 8, 2, 4, 4, 6, 2, 1, 4, 6, 2

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**Line Plot Practice Draw a Line Plot.**

Students were asked their favorite subject in Elementary school. Draw a line plot of the results. PE, PE, Math, Science, PE, Art, Music, Art, Math, PE, PE, Science, PE, Science 2. A group of First Graders were asked to name their favorite pet. Draw a line plot of their responses. Dog, Hamster, Dog, Dog, Cat, Pony, Dog, Cat, Dog, Snake, Dog

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Mean Mode Median Range The “average” Think of the Mean Face Most often MOde = most often The middle number Think of a median in the road Difference between.

Mean Mode Median Range The “average” Think of the Mean Face Most often MOde = most often The middle number Think of a median in the road Difference between.

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