Top 150+ Solved Quantitative Methods for Economic Analysis 2 MCQ Questions Answer
Q. As the value of X increases, if value of Y decreases, then coefficient of correlationwill be
a. positive
b. negative
c. zero
d. none of the above
Q. In case coefficient of correlation is positive, the curve representing the relation willbe
a. upward sloping
b. downward sloping
c. vertical
d. horizontal
Q. Vertical curve represent the value of correlation coefficient to be
a. positive
b. negative
c. zero
d. all of the above
Q. Horizontal curve represents the value of coefficient of correlation to be
a. positive
b. negative
c. zero
d. all of the above
Q. In case, coefficient of correlation is negative, the curve representing the relation willbe
a. upward sloping
b. downward sloping
c. vertical
d. horizontal
Q. Scatter diagram is
a. mathematical method of finding out correlation
b. positional method of finding out correlation
c. graphic method of finding out correlation
d. none of the above
Q. When variations in the values of two variables have a constant ratio, there will be
a. linear correlation
b. zero correlation
c. non-linear correlation
d. none of the above
Q. Graph of variables having linear relation will be
a. curved
b. hyperbola
c. straight line
d. none of the above
Q. Graph of variables having non-linear relation will be
a. curved
b. hyperbola
c. straight line
d. none of the above
Q. Karl Pearson’s coefficient of correlation method of measuring correlation is
a. graphic
b. mathematical
c. positional
d. none of the above
Q. Coefficient of correlation is independent of
a. change of scale
b. change of origin
c. both change of scale and change of origin
d. none of the above
Q. Spearman’ s method of calculating coefficient of correlation is basedon
a. magnitude
b. rank
c. actual figure
d. none of the above
Q. Geometric mean of two regression coefficients is
a. mean
b. dispersion
c. variation
d. correlation