Question 1 An experimenter planned a study in which a crucial step was offering participants a sweet reward. and having three sweet rewards that were equal in appeal was important. Thus, participants in a prestudyf were asked which of three rewards they preferred. Of the 6D participants, 12 preferred cupcakes, 2:5 preferred candyr bars, and 22 favored cookies. Use the .D1 signicance level and do a chisquare test for goodnessoft. What is the correct cutoff score? O 9.433 C) 5.992 D 1815 C) 9.211 Question 2 In a chivsquare test of independence: 0 The research hypothesis is that Mo nominal variables are independent {:1 The null hwothesis is that two nominal variables are independent Question 3 An example of a categorical variable used in a chlvsquare test is: C: The brand of car that a person drhres D The amount of liquid the average person drinks per day Q The number of times a person presses a button in a button pressing experiment (:1 The frequech of past drug usage from a longitudinal study