Casio fx-CG20 k2-Sample F Test

•The matrix must be at least two lines by two columns. An error occurs if the matrix has only one line or one column.

•Pressing 1(Mat) while the “Observed” and “Expected” parameter settings are highlighted will display the Matrix (A to Z) setting screen.

•Pressing 2('MAT) while setting parameters enters the Matrix Editor, which you can use to edit and view the contents of matrices.

•Pressing 6('MAT) while a calculation result is displayed enters the Matrix Editor, which you can use to edit and view the contents of matrices.

k2-Sample F Test

2-SampleF Test tests the hypothesis for the ratio of sample variances. The F Test is applied to the F distribution.

Perform the following key operations from the List Editor.

3(TEST)

4(F)

The following shows the parameter data specification items that are different from list data specification.

Calculation Result Output Example

σ1≠σ2 ............	direction of test
x¯1 ..................	Displayed only for Data:List setting.
x¯2 ..................	Displayed only for Data:List setting.

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