Chapter 15: Chi-Square Tests
663
Figure 15-2:
Diagram explaining the notation
Values for the
random variable with the appropriate number of degrees of
freedom can be obtained from the
Critical Values for the Chi-Square
Distribution
workbook.
Example 15.1:
What is the value of
?
Solution:
From
Critical Values for the Chi-Square Distribution
workbook, we have that
= 18.307. The portion of the table which
displays this is given in
Figure 15-3
. Observe that that you have to enter a
degrees of freedom value of 10.
Figure 15-3:
Critical Values for the Chi-Square
Workbook value for




