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Use the following to answer the question(s) below.
A manager of Kim & Lim corporate strategy department thinks that dollars spent on advertising can to some extent be a predictor of total sales dollars. As an aid in long-term planning, she analyzes the following sales and advertising numbers for 2015 (both in $millions) . Information was collected from eight companies of Kim & Lim.
-The sum of the cross-product of the deviations is found as follows: What is the coefficient of the correlation between x (Advertising) and y (Sales) ?
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