As a consumer reports magazine researcher, do you want to know whether there is a difference in a potato chip preference over the past five yearA chi-square test for goodness of fit is used to test whether there is a preference among five brand of ice cream. Using the sample of n=100 participants, and assuming no preference, then the expected frequency (E) for each category would be? A. 1. B.15. C. 20. D. 25