In an analysis of a two-way contingency table, what does the chi-square statistic measure?
a. It measures the difference between the observed counts in the rows and the observed counts in the columns.
b. It measures the difference between the observed counts and the corresponding expected counts for all cells.
c. It measures the difference between the expected counts in the columns and the expected counts in the rows.
d. It measures the difference between the means of the two columns.
Question 2
Contrast is the unavoidable confusion of some effects with others in an incomplete experimental design.
a. True
b. False
Indicate whether the statement is true or false