Creating Graphs and Calculating Descriptive Statistics in Minitab

 

Histograms

1.                  Enter the data to be graphed into one column.

2.                  Click on Graph.

3.                  Click on Histogram.

4.                  Make sure that Simple is selected and Click OK.

5.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Graph Variables box.

6.                  To title your graph, click on Labels.

a.       Type in your title and click OK.

7.                  Click OK.

8.                  To fix your own classes, double click on the horizontal axis.

a.       Click on Binning.

b.      Click on Cutpoint positions under Interval Type.

c.       Click on Midpoint/Cutpoint Positions.

d.      In the box, enter the cutpoints of the classes separated by a space.

e.       Click OK.

 

 

Dotplots

1.                  Enter the data to be graphed into one column.

2.                  Click on Graph.

3.                  Click on Dotplot.

4.                  Make sure that Simple is selected and Click OK

5.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Graph Variables box.

6.                  To title your graph, click on Labels.

a.        Type in your title and click OK.

7.                  Click OK.

 

 

Stem and Leaf

1.                  Enter the data to be graphed into one column.

2.                  Click on Graph.

3.                  Click on Stem-and-Leaf.

4.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Graph Variables box.

5.                  Click OK.

 

Bar Graph

1.                  Enter the qualitative data to be graphed in one column.

2.                  Click on Graph.

3.                  Click on Bar Chart.

4.                  Make sure that ‘Counts of unique variables’ is highlighted.

5.                  Make sure that Simple is selected and Click OK.

6.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Categorical Variables box.

7.                  To title your graph, click on Labels.

a.       Type in your title and click OK.

8.                  Click OK.

 

 

Pie Chart

1.                  Enter the qualitative data to be graphed in one column.

2.                  Click on Graph.

3.                  Click on Pie Chart.

4.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Categorical Variables box.

5.                  To title your graph, click on Labels.

a.        Type in your title and click OK.

6.                  To add Slice Labels to the graph, Click Labels.

a.          Click Slice Labels.

b.          Check off the desired options.

c.          Click OK. 

7.                  Click OK.

 

 

Boxplots:

1.                  Enter the data to be graphed in one column.

2.                  Click Graph.

3.                  Click Boxplot.

4.                  Make sure that Simple is selected and Click OK

5.                  Double click on the column containing the variable that you want to graph and make sure that it appears in the Graph Variables box.

6.                  To title your graph, click on Labels.

a.       Type in your title and click OK.

7.                  Click OK.

 

 

 

Descriptive Statistics:

1.                  Enter the data to be analyzed in one column.

2.                  Click Stat.

3.                  Click Basic Statistics.

4.                  Click Display Descriptive Statistics.

5.                  Put the variable to be analyzed into the Variables box.

6.                  Click OK.