Minitab Cheat Sheet for Descriptive Statistics

All of the following procedures assume you have already entered your data correctly into one (or more) of the columns in the Minitab Data Window.

To produce a one-way distribution table for categorical data:

1. Select Stat.
2. Select Tables.
3. Select Tally.
4. The Tally Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear in the box labeled Variables.
5. Under Display, click on the appropriate box(es) to select the statistics that you want calculated. Counts,  Percents, and Cumulative Percents will give you a complete distribution table as described in your text.
6. Select OK. The output will appear in the Session Window.
To produce a two-way distribution table for categorical data:
1. Select Stat.
2. Select Tables.
3. Select Cross Tabulation.
4. The Cross Tabulation Pop-Up Window will appear. In the left box, click once on the variable you want to treat as the row variable. Click once on the Select button. The column name (or variable name) will appear in the box labeled Classification Variables. Then, in the left box, click once on the variable you want to treat as the column variable. Click once on the Select button. The column name (or variable name) will appear in the box labeled Variables.
5. Under Display, click on the appropriate box(es) to select the statistics that you want calculated. Counts reports the number of units falling into each cell. Total Percents reports the percent of all units falling into each cell (number in cell divided by grand total). Row Percents reports percent in row falling into each level of the column variable (number in cell divided by row total). Column Percents reports percent in column falling into each level of the row variable (number in cell divided by column total).
6. Select OK. The output will appear in the Session Window.
To create a stem-and-leaf plot:
1. Select Graph.
2. Select Character Graphs.
3. Select Stem-and-Leaf...
4. The Stem-and-Leaf Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear in the box labeled Variables.
5. Select OK. The output will appear in the Session Window.
To create a dot plot:
1. Select Graph.
2. Select Character Graphs.
3. Select Dotplot...
4. The Dotplot Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear in the box labeled Variables.
5. If you want to create dot plot for more than one variable simultaneously, click on the box labeled Same Scale for all variables.
6. Select OK. The output will appear in the Session Window.
To create a histogram:
1. Select Graph.
2. Select Histogram.
3. The Histogram Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear under the X in the box labeled Graph Variables. (If you would like a relative frequency histogram rather than the default frequency histogram, click on Options. Click on Percent. Select OK.)
4. Select OK. A new graph window, which contains the histogram, will appear.
To create a scatter plot:
1. Select Graph.
2. Select Plot.
3. The Plot Pop-Up Window will appear. In the left box, click once on the Y variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear under the Y in the box labeled Graph Variables.  In the left box, click once on the X variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear under the X in the box labeled Graph Variables.

4. Select OK. A new graph window, which contains the scatter plot, will appear.
To calculate descriptive statistics:
1. Select Stat.
2. Select Basic Statistics.
3. Select Display Descriptive Statistics.
4. The Display Descriptive Statistics Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear in the box labeled Variables.
5. Select OK. The output will appear in the Session Window.
To create a boxplot:
1. Select Graph
2. Select Boxplot.
3. The Boxplot Pop-Up Window will appear. In the left box, click once on the variable you want analyzed. Click once on the Select button. The column name (or variable name) will appear under the Y in the box labeled Graph Variables.
4. Select OK. A new graph window, which contains the boxplot, will appear.