1: A, B, C, D brands Information: - Data from 2000 consumers. - Info. About which brand of toothpaste they purchased in April, and May - Each one purchased exactly one tube each month - 4 brands: A, B, C, D - The entry i-j cell is the number of consumers who purchased brand i in April and j in May. Question: - Which brand is competing with which? - Which brand is in the greatest trouble? Brand Name A B C D Row Totals A 500 200 0 0 700 B 100 400 0 0 500 C 0 0 300 100 400 D 0 0 0 400 400 Column Totals 600 600 300 500 Total=2000