Top 150+ Solved Statistics MCQ Questions Answer
Q. Which measure of dispersion has a different unit other than the unit of measurement of values________
a. Range
b. Standard deviation
c. Variance
d. Mean deviation
Q. Which of the following is a unit free quantity___________
a. Range
b. Standard deviation
c. Coefficient of variation
d. Arithmetic mean
Q. If the dispersion is small, the standard deviation is____________
a. Large
b. Zero
c. Small
d. Negative
Q. The value of standard deviation changes by a change of__________
a. Origin
b. Scale
c. Algebraic signs
d. None
Q. The standard deviation one distribution divided by the mean of the distribution and expressing inpercentage is called_____________
a. Coefficient of Standard deviation
b. Coefficient of skewness
c. Coefficient of quartile deviation
d. Coefficient of variation
Q. The positive square root of the mean of the squares of the deviations of observations from their mean iscalled____________
a. Variance
b. Range
c. Standard deviation
d. Coefficient of variation
Q. The variance is zero only if all observations are the___________
a. Different
b. Square
c. Square root
d. Same
Q. The standard deviation is independent of_____________
a. Change of origin
b. Change of scale of measurement
c. Change of origin and scale of measurement
d. Difficult to tell
Q. Which is a method of measuring correlation?________
a. Graphic correlation
b. Scatter diagrams
c. None of these
d. Both of these
Q. A scatter diagram is________
a. A statistical test
b. Linear
c. Curvilinear
d. A graph showing x and y values
Q. If there exists any relation between the sets of variables, it is called__________
a. Regression
b. Skewness
c. Correlation
d. All of these
Q. Perfect correlation is one Perfect correlation is one in which_________
a. Area of a circle is in definite constant relationship with radius
b. When area of the circle is ½ radius
c. None of these
d. All of these
Q. Which of the following measurement scales is required for the valid calculation of Karl Pearson’scorrelation coefficient?__________
a. Ordinal
b. Interval
c. Ratio
d. Nominal
Q. Which of the following point is not related with the utility of correlation?________
a. Relation between two variables
b. Help in decision making
c. Useful in research work
d. All of these