Chemistry (M.Phil./Ph.D.) 2021 Panjab University Entrance Exam With Answers

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7.

Which of the following is true regarding the values of correlation coefficient (r) and its square (r2): 2

A: r = –1 to 1 and r = 0 to 1
B: r = 0 to 1 and r2 = –1 to 1
C: r = –1 to 1 and r2 = –1 to 1
D: r = 0 to 1 and r2 = 0 to 1

The answer is: A

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