Which of the following statements about a contingency table test is false?
a. The nature of the sampling distribution of chi-square depends on the number of degrees of freedom associated with the problem under investigation.
b. The degrees of freedom are found as (r - 2)(c - 2), where r represents number of rows and c represents number of columns.
c. The contingency table must have a minimum of 2 rows and 2 columns.
d. All of these.
e. None of these.
Question 2
Consider a cell in a contingency table. Given the cell's row total of 200, the cell's column total of 75, and a sample size of 1,000, the cell's expected frequency:
a. equals 10
b. equals 15
c. equals 20
d. equals 25
e. cannot possibly be determined without additional information
Example of the Table of Drugs and Chemicals.
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