Top 150+ Solved Quantitative Techniques for Business MCQ Questions Answer
Q. Scatter diagram of the various values of ( X, Y) gives the idea about .......................
a. regression model
b. distribution of errors
c. functional relationship
d. none of the above
Q. If X and Y are independent , the value of regression coefficient byx = ....................
a. 1
b. 0
c. greater than 1
d. any negative value
Q. bxy x byx = ..............................
a. coefficient of regression
b. coefficient of regression
c. both
d. none
Q. If X and Y are two variables, there can be at most ..........................
a. three regression lines
b. two regression lines
c. one regression line
d. infinite number of regression lines
Q. Geometric mean of regression coefficients will be ..............................
a. coefficient of correlation
b. coefficient of determination
c. coefficient of variation
d. none of these
Q. In a regression line of Y on X, the variable X is known as ..................................
a. explanatory variable
b. independent variable
c. regressor
d. all the above
Q. The term regression was used firstly by .............................
a. prof. karl pearson
b. edward spearman
Q. If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is..........................
a. reduced by 30
b. increased by 30
c. not changed
d. 1/30th of the original regression
Q. In .........................regression, only one independent variable is used to explain the dependentvariable.
a. linear
b. multiple
c. scatter diagram
d. none of these
Q. Regression lines are also called .........................
a. correlation graph
b. scatter diagram
c. scatter diagram
d. none of these
Q. If the correlation between the two variables , X and Y is negative, the regression coefficient ofY on X is .............................
a. zero
b. positive
c. negative
d. not certain
Q. The arithmetic mean of bxy and byx is ..........................
a. equal to one
b. greater than r
c. francis galton
d. none of these
Q. The regression coefficient and correlation coefficient of two variables will be the same, if their.................... are same.
a. standard deviation
b. arithmetic mean
c. mean deviation
d. none of these
Q. The square root of coefficient of determination is ...................
a. coefficient of correlation
b. coefficient of regression
c. coefficient of variation
d. none of these