If all the points of a scatter diagram lie on a straight line falling – McqOptions

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1.	If all the points of a scatter diagram lie on a straight line falling from the lower left-hand corner to the upper right-hand corner, the correlation is said to be ..........................
A.	zero correlation
B.	perfect positive correlation
C.	perfect negative correlation
D.	high degree of positive correlation
Answer» C. perfect negative correlation

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