Select the option that best describes your data.
Complete the following steps if your data are in two columns of the worksheet:
Click in Sample 1 to see the columns that are available for your analysis.
| C1 | C2 | 
|---|---|
| Before | After | 
| 71 | 69 | 
| 72 | 70 | 
| 75 | 71 | 
| 83 | 77 | 
Complete the following steps if you have summary statistics for the differences between the two samples, rather than actual sample data in the worksheet: