Data Desk/XL is a downloadable statistics add-in that complements Excel's standard statistics capabilities. The program provides all the plots, tables, tests and statistics one would expect in a standard statistics software package. It can be used effectively for analyzing real-world data and as a supplement to an introductory statistics course.

If I Have Excel, Why Do I Need DDXL?

• Ease of Use All results are two to three mouse clicks away. Just select the columns you want to analyze, choose the desired command from the DDXL menu in your Excel menu bar, assign the variables in the dialog box and click the OK button.
  

• Expert Guidance Each command includes a panel that offers guidance for working with the particular analysis and interpreting the result. 
  

• Results You Can Trust All Data Desk/XL computations are based on algorithms that have been used and validated with real data for over 15 years. You can be sure that Data Desk/XL will always use generally accepted statistical computing practices, especially for datasets that have missing cells or that mix numbers and text in the same column.

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