2 Line PlotA 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 PlotExample: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 .XXXXXXXXXXXXXXXX8910111240
6 Line Plot Practice Draw a Line Plot. Students scored the following on their test:99, 82, 78, 85, 98, 82, 85, 78, 98, 82Draw 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, Science2. 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