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Calculates the paired t-Test of two data samples.
A paired t-test is any statistical hypothesis test that follows a Student's t distribution.
For more information on paired t-tests, refer to the corresponding Wikipedia article.
Variable 1 range: The reference of the range of the first data series to analyze.
Variable 2 range: The reference of the range of the second data series to analyze.
Results to: The reference of the top left cell of the range where the test will be displayed.
The following table shows the paired t-test for the data series above:
| paired t-test | ||
|---|---|---|
| Alpha | 0.05 | |
| Hypothesized Mean Difference | 0 | |
| Variable 1 | Variable 2 | |
| Mean | 16.9230769231 | 20.4615384615 | 
| Variance | 125.0769230769 | 94.4358974359 | 
| Observations | 13 | 13 | 
| Pearson Correlation | -0.0617539772 | |
| Observed Mean Difference | -3.5384615385 | |
| Variance of the Differences | 232.9358974359 | |
| df | 12 | |
| t Stat | -0.8359262137 | |
| P (T<=t) one-tail | 0.2097651442 | |
| t Critical one-tail | 1.7822875556 | |
| P (T<=t) two-tail | 0.4195302884 | |
| t Critical two-tail | 2.1788128297 |