Top 150+ Solved Statistics MCQ Questions Answer

From 91 to 105 of 148

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

  • b. Standard deviation

Q. Which of the following is a unit free quantity___________

a. Range

b. Standard deviation

c. Coefficient of variation

d. Arithmetic mean

  • d. Arithmetic mean

Q. If the dispersion is small, the standard deviation is____________

a. Large

b. Zero

c. Small

d. Negative

  • c. Small

Q. The value of standard deviation changes by a change of__________

a. Origin

b. Scale

c. Algebraic signs

d. None

  • 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

  • a. Coefficient of Standard deviation

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

  • d. Coefficient of variation

Q. The variance is zero only if all observations are the___________

a. Different

b. Square

c. Square root

d. Same

  • 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

  • b. Change of scale of measurement

Q. Which is a method of measuring correlation?________

a. Graphic correlation

b. Scatter diagrams

c. None of these

d. Both 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

  • 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

  • c. Correlation

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

  • c. None of these

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

  • d. All of these
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