Determine whether r is positive, negative, or zero for each of the following data sets. Q Ⓡ ∞∞o (a) For the data in scatterplot (a), the value of r is For the data in scatterplot (b), the value of r is For the data in scatterplot (c), the value of r is (b) zero. negative. positive. 800 Box% 000 (c) Q

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A: Method: Using the concept of correlation coefficient, r and r must be lies between -1 to 1.

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Q: Match these values of r with the accompanying scatterplots: 0.42, - 0.781, - 1, 1, and 0.995. Click…

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