Top 150+ Solved Quantitative Techniques for Business MCQ Questions Answer

From 46 to 60 of 156

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

  • c. functional relationship

Q. bxy x byx = ..............................

a. coefficient of regression

b. coefficient of regression

c. both

d. none

  • c. both

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

  • b. two 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

  • a. coefficient of correlation

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

  • 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

  • c. not changed

Q. Regression lines are also called .........................

a. correlation graph

b. scatter diagram

c. scatter diagram

d. none of these

  • c. scatter diagram

Q. The arithmetic mean of bxy and byx is ..........................

a. equal to one

b. greater than r

c. francis galton

d. none of these

  • b. greater than r

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

  • a. standard deviation

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

  • a. coefficient of correlation
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