Question: (a) [0.5pts.] Identify the explanatory variable (r) : (choose one) Number of tickets sold (in millions of tickets) Average advertising costs (in millions of dollars)
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(a) [0.5pts.] Identify the explanatory variable (r) : (choose one) Number of tickets sold (in millions of tickets) Average advertising costs (in millions of dollars) . Average number of tickets sold (in millions of tickets) . Advertising costs (in millions of dollars)
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