t Test, Paired t Test, and F Test Summary Stats 

The t Test, F Test, and Paired t Test now include the mean, standard deviation, and count in the analysis.

Example

Source Data

Data for the torque to turn a bearing before and after coating. The same bearing was used for both before and after.

Select "SPC XL" - "Analysis Tools" - "Paired t Test Matrix". Do not select column A; you should only select the range of numeric data.

 

Results

Note that below the p-values are the summary statistics for both bearings.

 

 

 


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Excel Integration

SPC XL integrates directly within Microsoft Excel. After installation, you will have a new menu item on the Excel toolbar entitled "SPC XL".

Update Charts

All of the control charts in SPC XL can be updated without having to recreate the chart.

Share Results

All of SPC XL's analysis results in a standard Excel workbook that can be shared with anyone who has Excel.