When we test for differences between two populations of nominal data with two categories, we can use only one technique, namely, the chi-squared test of a contingency table.
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Q. 2Which type of data involves ratings?
a. Interval data c. Nominal data
b. Ordinal data d. None of these
Q. 3When we describe a population of nominal data, with exactly two categories, the multinomial experiment is actually a binomial experiment with one of the categorical outcomes labeled success and the other labeled failure.
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Q. 4Which type of data involves categories?
a. Interval data c. Nominal data
b. Ordinal data d. None of these
Q. 5If we want to perform a one-tail test for differences between two populations of nominal data with exactly two categories, we must employ the z-test of p1 - p2.
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Q. 6Which type of data involves real numbers?
a. Nominal data c. Ordinal data
b. Interval data d. None of these choices.
Q. 7If we want to perform a two-tail test for differences between two populations of nominal data with exactly two categories, we can employ either the z-test of p1 - p2, or the chi-squared test of a contingency table.
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