F-test

Calculates the F-Test of two data samples.

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

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