1. Line Plot
Definition & Practice

2. 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

3. 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).

4. Line Plot Example: Favorite Colors X X X X X X X X X X X X X
Red Blue Green Yellow Purple

5. 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

6. 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

7. 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