Which of the following most accurately differentiates the one-way from the two-way chi square test?
a. The one-way compares levels of one variable to each other, and the two-way compares two variables to each other.
b. The one-way compares two variables to each other, and the two-way compares observed frequencies to expected frequencies in the population.
c. The one-way compares categorical data, and the two-way compares categorical or interval/ratio data.
d. The one-way compares observed frequencies to expected frequencies in the normal population, and the two-way compares two variables to each other.
Ans: D
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