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25. The points on a scatterplot of two variables lie exactly on a straight line with slope -0.25. The point of averages is (1,-0.2).
25. The points on a scatterplot of two variables lie exactly on a straight line with slope -0.25. The point of averages is (1,-0.2). The correlation between the two variables is (a) 1 (b) -0.25 (c) -1 (d) 0.25 (e) cannot be determined from the information given.
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
