How Do I Create Dotplots in Excel Using SigmaXL?

Dotplots

1. Click Sheet 1 Tab of Customer Data.xls (or press F4 to activate last worksheet). Click SigmaXL > Graphical Tools > Dotplots.
2. Ensure that entire data table is selected. If not, check Use Entire Data Table. Click Next.
3. Select Overall Satisfaction, click Numeric Data Variable (Y) >>, select Customer Type, click Group Category (X1) >>:

4. Click OK. Multiple dotplots of Customer Satisfaction By Customer Type are produced:

5. Since all data points are shown, dotplots are a useful alternative to Histograms, particularly when the group sample sizes are small (n < 30).

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