Q1060
If Σx = 440, Σy = 330, Σx2 = 17,986, Σy2 = 10,366, Σxy = 13,467 and n = 11, then the value of r, the coefficient of correlation, to 2 decimal places, is
A.
0.36
B.
0.63
AnswerC.
0.80
D.
0.50
Answer: Option B
Solution
Answer: Option B
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