Question 14 Data Set 14-4 Each of the four items represent cell totals for a chi square test of independence. W X Y Z 3 15 45 10 20 30 15 18 24 25 2 40 10 30 20 10 21 35 40 25 18 20 25 In Data Set 14-4, the cell with the smallest expected frequency is in Oa. Y O b. Z Ocx O d. WQuestion 15 The shape of the theoretical y 2 distribution is determined by O a. the number of observations O b. all of the other alternatives are correct O c. the size of the expected frequency of events O d. the number of categories of eventsQuestion 16 Data Set 14-2 A college student was interested in the relationship between handedness and academic ability. She classified her sample two ways: left- or right-handed and top or bottom half of the class. The study described in Data Set 14-2 is one of O a. goodness of fit O b. could be either O c. independenceQuestion 17 The the value of U and the _the value of 7, the more likely to reject the null hypothesis. O a, smaller, larger O b. smaller, smaller O c. larger, smaller O d. larger, larger