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14 [Maximum mark: 4] A renowned butcher is blindfolded and asked to taste and arrange eight cuts of meat in order of price. The correct order is A, B, C, D, E, F, G, H while the order chosen by the butcher was A, (B, D), C, G, (E, F, H). The brackets indicate cuts of meat which the butcher assigned the same price. a Copy and complete this table of rankings: [2] A B C D E F G H True rank Butcher's rank b Determine the value of r, as a measure of the correlation between the butcher's opinion and the correct order. [2]