Statistics Practice: Correlations Statistics are learned best by doing! Here is a set of exercises to let you practice what we have covered on the correlations. 1. For the following correlations \( (r): 0.29 \quad-0.63 \quad 0.15 \quad-0.34 \quad 0.04 \) a. Which is the strongest correlation? b. Which is the weakest correlation?
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For the following correlations (r): 0.29 -0.63 0.15 -0.34 0.04 a. Which is the strongest correlation? b. Which is the weakest correlation?
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Question 2 Two quantitative variables were found to have a correlation r between 0. Which of the following is the best interpretation of this correlation value? A. There is a strong linear relationship between the two variables. B. There is no linear relationship between the two variables. C. There is a strong relationship between the two variables. D. There is no relationship between the two variables. Question 3 What can we say about the relationship between the correlation and the slope b of the least-squares line for the same set of data? A. r and b have the same sign (+ or -). B. r is always larger than b. C. b is always larger than r. D. Both r and b always have values between -1 and 1. E. The slope b is always equal to the square of the correlation r.
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Order each r value from the weakest (1) to the strongest (6) correlation . Group of answer choices r = 0.15 r = -0.99 r = 0.43 r = -0.29 r = 0.95 r = -0.5
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