# F-test

Calculates the F-Test of two data samples.

To access this command...

Choose Data - Statistics - F-test

A F-test is any statistical test based on the F-distribution under the null hypothesis.

For more information on F-tests, refer to the corresponding Wikipedia article.

## Data

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.

#### Grouped By

Select whether the input data has columns or rows layout.

#### Example

The following table has two data sets.

 A B 28 19 26 13 31 12 23 5 20 34 27 31 28 31 14 12 4 24 0 23 2 19 8 10 9 33

## Results for F-Test:

The following table shows the F-Test for the data series above:

 Ftest Alpha 0.05 Variable 1 Variable 2 Mean 16.9230769231 20.4615384615 Variance 125.0769230769 94.4358974359 Observations 13 13 df 12 12 F 1.3244637524 P (F<=f) right-tail 0.3170614146 F Critical right-tail 2.6866371125 P (F<=f) left-tail 0.6829385854 F Critical left-tail 0.3722125312 P two-tail 0.6341228293 F Critical two-tail 0.3051313549 3.277277094

Please support us!