Top 150+ Solved Business Statistics MCQ Questions Answer
Q. Which of the following is true, if there is no dispersion in a data set:
a. All the mathematical and positional averages are equal.
b. All the mathematical averages are equal but the positional averages are not equal
c. All the mathematical averages are equal to zero
d. None of these
Q. For a distribution of data, if the arithmetic mean> median>mode, then which of the following is true?
a. The distribution is symmetrical
b. The distribution is positively skewed
c. The distribution is negatively skewed
d. None of these
Q. Correlation analysis is a ..............................
a. Univariate analysis
b. Bivariate analysis
c. Multivariate analysis
d. Both Bivariate and Multivariate analysis
Q. If one of the regression coefficients is greater than unity, the other must be:
a. More than Unity
b. Less than Unity
c. Unity
d. all
Q. If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................
a. Zero correlation
b. High degree of positive correlation
c. Perfect negative correlation
d. Perfect positive correlation
Q. The rank correlation coefficient was discovered by....................................
a. Fisher
b. Spearman
c. Karl Pearson
d. Bowley
Q. If the regression line is Y on X, then the variable X is known as..........................
a. Independent variable
b. Explanatory variable
c. Regressor
d. All the above
Q. If r = ± 1, the two regression lines are...............................
a. Coincident
b. Parallel
c. Perpendicular to each other
d. None of these
Q. If bxy and byx are two regression coefficients, they have:
a. Same signs
b. Opposite signs
c. Either a or b
d. None of the above.
Q. The Correlation coefficient between two variables is the………………..of their regression coefficients.
a. Arithmetic mean
b. Geometric mean
c. Harmonic mean
d. None of these
Q. The percent of the total variation of the dependent variable Y explained by the set of independent variables X is measured by:
a. Coefficient of Correlation
b. Coefficient of Skewness
c. Coefficient of Determination
d. Standard error
Q. The value of the correlation coefficient lies between
a. -1 and +1
b. -1 and 0
c. 0 and 1
d. None
Q. A Scatter diagram is considered for measuring
a. Linear relationship between two variables
b. Curvilinear relationship between two variables
c. Neither a or b
d. Both a and b