1. By: Emily Mycek Kallie Miholics Jonathan DiRienzi
Bar Graph Statistics
By: Emily Mycek
Kallie Miholics
Jonathan DiRienzi

2. Definition
A diagram that displays numerical data as a visual. The numerical values of variables are represented by the height or length of the bars.

3. Examples

4. #1

5. Constructed Example
If we were to do this survey on 74 people instead of 28, do you think the results would remain the same? Explain your reasoning.

6. Directions for a handmade graph
1. Determine the following
Title
Label for each axis
Scale for each axis
2. Draw a set of axes that you will use to construct your graph.
Determine which axis will be the frequency axis and group data
Write in axes labels
For the frequency axis, determine the scale variable
3. Use the data from the table to draw the bars on the graph.

7. Directions to make a graph in Excel
Open the Excel program.
Enter the independent variable going from A1 and go to the right
Put in the numerical data below the result titles.
Highlight everything you want to be included in the graph.
Go under Insert and click Bar Graph.
Format the way you desire.

8. Advantages and Disadvantages
Oversimplification
Inaccuracy if the numbers are not whole
May not serve exact purpose
Advantages
Easy representation of the data
Helps show the frequency of the data
Widely known and used

9. Works Cited http://dictionary.reference.com/browse/bar+graph