### Math 221 – Principles of Statistics

Creating Bar Graphs in SPSS

Note: By default, each different value of the variable that occurs in your data is given its own bar. For quantitative data, this often results in too many bars. If your data are quantitative, use a histogram instead of a bar graph.

Version 15

1) Open a data file (in .sav or .por format) or type your data in.

2) In either the Data Editor window or the Output Viewer window, click on the “Graphs" menu, on "Legacy Dialogs," and then on "Bar..."

3) Select "Simple" and click "Define."

4) If you would like the heights of the bars to represent counts, make sure "N of cases" is selected. If you would like the heights of the bars to represent percents, click the radio button next to "Percent."

5) Select the variable you would like to plot. Click on the little arrow next to "Category Axis." This will move the variable into the "Category Axis" box.

6) If you would like to add a title to your plot, click the "Titles..." button. A new dialog box appears. Enter any titles or subtitles you want to use, and click "Continue..."

7) Click "OK."  The bar graph appears in the Output Viewer. Notice that the vertical axis is labeled "Percent" if you selected "Percent" in Step 4, and that it is labeled "Count" if you selected "N of cases."

Versions 12 through 14

1) Open a data file (in .sav or .por format) or type your data in.

2) In either the Data Editor window or the Output Viewer window, click on the “Graphs" menu and then on "Bar..."

3) Select "Simple" and click "Define."

4) If you would like the heights of the bars to represent counts, make sure "N of cases" is selected. If you would like the heights of the bars to represent percents, click the radio button next to "Percent."

5) Select the variable you would like to plot. Click on the little arrow next to "Category Axis." This will move the variable into the "Category Axis" box.

6) If you would like to add a title to your plot, click the "Titles..." button. A new dialog box appears. Enter any titles or subtitles you want to use, and click "Continue..."

7) Click "OK."  The bar graph appears in the Output Viewer. Notice that the vertical axis is labeled "Percent" if you selected "Percent" in Step 4, and that it is labeled "Count" if you selected "N of cases."

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