The following data represent the responses to two questions asked in a survey of 40 college students majoring in business: What is your gender? (M = male; F = female) and What is your major? (A = Accounting; C = Computer Information Systems; M = Marketing):

a. Tally the data into a contingency table where the two rows represent the gender categories and the three columns represent the academic major categories.
b. Construct contingency tables based on percentages of all 40 student responses, based on row percentages and based on column percentages.