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 and the corresponding expected counts for all cells.
b.It measures the difference between the observed counts in the rows and the observed counts in the columns.
c.It measures the difference between the means of the two columns.
d.It measures the difference between the expected counts in the columns and the expected counts in the rows.
Question 2
A multinomial experiment is the same as a binomial experiment when the number of categories, k, is equal to what number?
a.2
b.3
c.1
d.4
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