Example 14.2 Is There a Change in Customer Preferences? (Chi-Square) From historical data uch as sales records, the Hershey Company is that customerspruter Me Goodhar, pufer Hershey Milk Chocolate 15 profet Her shey's Special Dark Middly Sweet Chocolate, and the maindur prufur Krickel Sup pose that marketing analysts ample 200 people and find that 50 pruder Mr. Goodbar, 3 profer Hershey's Milk Chocolate, prefer Hershey's Special Dark Mildly Sweet Chocolate, and the remainder profes Krack. Have current prenes for these paid es changed from the known preferences? u24