Question: 12.54 You are given these data: a. Plot the data points. Based on your graph, what will be the sign of the sample correlation coefficient?

12.54 You are given these data:

x -2 -1 0 1 2 y 2 2 3 4 4

a. Plot the data points. Based on your graph, what will be the sign of the sample correlation coefficient?

b. Calculate r and r and interpret their values.

x -2 -1 0 1 2 y 2 2 3 4 4

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