Question: (1) The correlation coefficient for the set of bivariate data is r= ? X 2 3 3 7 9 Y 5 8 9 12 12

(1) The correlation coefficient for the set of bivariate data is r= ?

X 2 3 3 7 9

Y 5 8 9 12 12

(2) A data set consists of five ordered pairs:

[(-2, 7), (0 ,3), (1, 1), (3, -3) , (x, y)]

which ordered pair(x, y) gives the bivariate data a correlation r=-1?

(3) The correlation coefficient for the set of bivariate data r = ?

X 2 2 4 5 10

Y 19 18 17 17 13

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