Dataset A Dataset B Dataset C r = 0.67 • 1,¥i. O 20 40 60 80 100 O 20 40 6080 10

Question

Dataset A Dataset B Dataset C r = 0.67 • 1,¥i. O 20 40 60 80 100 O 20 40 6080 100 0 20 40 60 80 100 **.*:. . r = -0.89 r= 0.17 : T O 20 40 60 80 100 0 20 40 60 80 100 O 20 40 60 80 100 X Dataset D Dataset E Dataset F 1 = 0.74 r=-0.06 2... : 0 20 40 6080 100 O 20 40 6080 100 0 20 40 60 80 100 *:' 0 20 40 60 80 100 O 20 40 60 80 100 0 20 40 60 80 100 X Dataset G Dataset H Dataset | r= -0.62 r= -0.57 O 20 40 60 80 100 o 20 40 60 80 100 r= 0.7 0 20 40 60 80 100 1 O 20 40 60 80 100 O 20 40 6080 100 O 20 40 60 80 100

Explanation / Answer

a ) For datasets A , E and H we have a linear and positive relationship between X and Y .

b ) For datasets B , G and I we have a linear and negative relationship between X and Y .

c ) For data set I we have a linear and weak relationship between X and Y .

d ) For datasets A , E , G and I we have a linear and moderate relationship between X and Y .

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