Consider this scatterplot of height versus arm length. a) Which is the best choice for the value of the correlation coefficient? (5 points) i) r = -0.87 iv) r = 0.08 ii) r = -0.65 v) r = 0.41 iii) r = -0.23 vi) r = 0.99 b) State the interpretation of this value. (5 points)
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If the points are clustered closely around a line, then the correlation coefficient will be close to 1 or -1, indicating a strong relationship between the two variables. If the points are scattered widely, then the correlation coefficient will be close to 0, Show more…
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