Casio ClassPad 300 User Manual page 368

χ
k 2
Test
2
χ Test
Command: ChiTest
Description: This command tests hypotheses concerning the proportion of samples
included in each of a number of independent groups. The χ
used in the case of dichotomous variables, which are variables that have only
two possible values (such as "yes" or "no").
Expected Frequencies
Command Syntax
Observed matrix
Definition of Terms
Observed matrix: name of matrix containing observed values (positive integers in
Input Example:
ChiTest matrixa
Calculation Result Output
2 2
χ : χ value
p p
: -value
df
: degrees of freedom
Tip
• The minimum size of the matrix is 2 × 2. An error occurs if the matrix has only one row or one
column.
• The result of the expected frequency calculation is stored in the system variable named
"Expected".
7-9-10
Tests
k
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χ =
i=1 j=1
all cells)
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