Q. Karl Pearson’s coefficient of correlation is denoted by the symbol ..................
✅ Correct Answer: (B)
r
Quantitative Techniques for Business MCQs and Notes
Q. Coefficient of correlation lies between .....................................
✅ Correct Answer: (C)
+1 and -1
Q. Coefficient of correlation measures ...........................................
✅ Correct Answer: (D)
relation
Q. The quantitative measure of correlation between two variables is known as.....................
✅ Correct Answer: (A)
coefficient of correlation
Q. If all the dots of a scatter diagram lie on a straight line falling from the upper left-hand corner to the lower right hand corner, the correlation is said to be ..........................
✅ Correct Answer: (C)
perfect negative correlation
Q. 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 ..........................
✅ Correct Answer: (B)
perfect positive correlation
Q. Scatter diagram is also called ...................................
✅ Correct Answer: (B)
zero correlation
Q. When the amount of change in one variable leads to a constant ratio of change in the other variable, correlation is said to be ............................
✅ Correct Answer: (C)
linear
Q. When the values of two variables move in the opposite direction, correlation is said to be……
✅ Correct Answer: (B)
negative
Q. When the values of two variables move in the same direction, correlation is said to be ..........
✅ Correct Answer: (A)
positive