When Sandy offers each of her 40 friends a choice between a horror movie, a comedy, and a western, 10 choose the horror, 13, choose the comedy, and seven choose the western. How can she determine if the preference for these types of movies differs significantly?
a. t-test for dependent means
b. z-test for a proportion
c. Chi-square Test for Goodness of Fit
d. Chi-square Test for Independence
e. b) or c)
Ans: c
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a. True b. False
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a. True b. False Indicate whether the statement is true or false