Q257
If Σx = 12, Σy = 42, Σx2 = 46, Σy2 = 542, Σxy = 157 and n = 4, find the correlation coefficient.
A.
0.67
B.
0.98
AnswerC.
0.78
D.
0.45
Answer: Option B
Solution
Answer: Option B
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