Match each scatter plot shown below with one of the four specified correlation coefficients. a-1.00 b.0.25...

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Question

Answer 1

Answer #1

Correlation coefficient can be guessed just on the basis of linearity of the scatter plot.

(A) second plot indicated coefficient -1 as it has highest linearity nature

(B) third plot indicates correlation coefficient .25 as it has least linearity .

(C) First plot shows the -.40 correlatiin coefficient as it's scatter point is little linear in negative direction

(D) Forth plot shows the correlation coefficient .85 at it has second highest linearity nature.

Answer 2

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