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How can we best represent 'support' for the following association rule: "If X and Y, then Z".

A. $$\frac{{{\text{x}},{\text{y}}}}{{{\text{total number of transactions}}}}$$

B. $$\frac{z}{{{\text{total number of transactions}}}}$$

C. $$\frac{z}{{{\text{x,y}}}}$$

D. $$\frac{{{\text{x}},{\text{y,}}\,{\text{z}}}}{{{\text{total number of transactions}}}}$$

Answer: Option C


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