Set 1: Age Group and Cereal Brand The following data Interpret the confidence interval you computed in Question Set 1_B by completing the following sentence. I am 95% confident that... two age group's preference between Cereal Brand A and Brand B. Let's examine the difference between the proportion of people that prefer Brand A between the two age groups. Contingency Table Cereal Brand A Brand B Age Group 18-22 year olds 19 27 23-27 year olds 12 33 Total 18-22 year olds: 46 Total 23-27 year olds: 45