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Statistics Test - 27
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    If the lines of regression of y on x and x on y make angles 30° and 60° respectively with the positive direction of x-axis, then the correlation coefficient between x and y is
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    Let X, Y be two variables with correlation coefficient ρ(X, Y) and variables U, V be related to X, Y by the relation U = 2X, V = 3Y, then ρ(U, V) is equal to
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  • Question 9/10
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    The coefficient of correlation between the observations (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1) is
  • Question 10/10
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