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
Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai
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