User Manual

6-31
Calculation Result Output Examples
CNTRB ......... list for output of contribution values
• 
2
two-way Test
χ
2
two-way Test sets up a number of independent groups and tests hypothesis related to
the proportion of the sample included in each group. The χ
2
Test is applied to dichotomous
variables (variable with two possible values, such as yes/no).
Perform the following key operations from the statistical data list.
3(TEST)
3(CHI)
2(2WAY)
Next, specify the matrix that contains the data. The following shows the meaning of the above
items.
Observed ... name of matrix (A to Z) that contains observed counts (all cells positive integers)
Expected .... name of matrix (A to Z) that is for saving expected frequency
Calculation Result Output Example
• 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.
• Switching from the Matrix Editor to the Vector Editor is not supported.
k 2-Sample F Test
2-Sample F Test tests the hypothesis for the ratio of sample variances. The F Test is applied
to the
F distribution.