Refer to Exercise 4.63. Youve now learned that the two sample standard deviations are 16 and 12.

Question:

Refer to Exercise 4.63. You’ve now learned that the two sample standard deviations are 16 and 12.

a. Calculate the coefficient of correlation. What does this statistic tell you about the relationship between the two variables?

b. Calculate the coefficient of determination and describe what this says about the relationship between the two variables.

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