A researcher has two men, two women, or a man and a woman stand two meters apart while holding a conversation. He wants to learn whether the number of passers by who walk between (versus around) the three pairs differs. He also wants to know if this is related to whether the people in the pair are well dressed or poorly dressed. What test should he use?

a. z-test for a proportion
b. Chi-square Test for Goodness of Fit
c. Chi-square Test for Independence
d. One-way ANOVA
e. Two-way ANOVA


Ans: c

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