Problem 3 (25 points). Consider the following contingency table. C (buys coffee = Yes) C (buys coffee = No) T (buys tea = Yes) 142
Problem 3 (25 points). Consider the following contingency table. C (buys coffee = Yes) C (buys coffee = No) T (buys tea = Yes) 142 862 I (buys tea = No) 186 1859 Compute the lift, all-confidence, cosine, Kulczynski and imbalance ratio measures, and determine whether buying coffee and buying tea are positively correlated, negatively correlated, or not correlated. You must show all calculations
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