1. What is Pearson's correlation coefficient? a. It measures the strength of a linear relationship between two variables. b. It is the proportion between two variables. C. It is a scatter plot that describes the relationship between two variables. d. It calculates the probability between two variables. 2. Which of the following is not a possible value of the Pearson correlation coefficient? a. -1.01 b. -0.99 c. 1 d. 0 3. Which of the following Pearson's sample correlation coefficient indicates stronges linear correlation between two variables? a. 0.412 b.-0.090 c. -0.725 d.0.500 4. Which of the following Pearson's sample correlation coefficient indicates the weakes linear correlation between two variables? a. -0.762 b. 0.4 c. -0.632 d.0.12 5.If there is no correlation, what is the value of r? a. 0 b. -1 c. 1 d. 2 The following are the heights of a father and his eldest son, in inches: Height of the Height of the son Father (x) (y) 71 71 69 69 67 69 68 65 65 60 70 68 60 58

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