Stats MCQs from past papers

By: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025

1. : Calculate the value of range if the values are -2, -3, -4, -5, and -6.
(A) 0
(B) 4
(C) -4
(D) -8

2. : The best general-purpose measure of dispersion is
(A) Semi-interquartile range
(B) Range
(C) Standard deviation
(D) Mean deviation

3. : On the basis of absolute deviation, a measure of dispersion is ___________
(A) Mean deviation
(B) Coefficient of quartile deviation
(C) Standard deviation
(D) Quartile deviation

4. : A flat-topped distribution is called ______
(A) Dispersion
(B) Platykurtic
(C) Skewness
(D) Kurtosis

5. : When mean deviation is calculated from __________ it is minimum.
(A) Mode
(B) Median
(C) Mean
(D) Harmonic mean

6. : By the change of ______________ the value of standard deviation changes.
(A) Algebraic sign
(B) Origin
(C) Scale
(D) None of these

7. : If there are seven values each equal to ‘a’, then variance is
(A) 2a
(B) a
(C) a²
(D) Zero

8. : If the price of a commodity remains the same for a week, then the measure of scatterness will be ___________
(A) Rs. 900
(B) Zero
(C) 40
(D) 2

9. : Peakedness of a distribution is called _____
(A) Dispersion
(B) Platykurtic
(C) Skewness
(D) Kurtosis

10. : Calculation of mean deviation from a set of data is always ___________
(A) More than S.D
(B) Equal to S.D
(C) Less than S.D
(D) Negative

11. : Standard deviation of 5, 5, 5, 5, 5 is equal to
(A) Unity
(B) 8
(C) 2
(D) Zero

12. : One-half the difference between the third and first quartile is called __________
(A) Mean deviation
(B) Quartile deviation
(C) Standard deviation
(D) Coefficient of quartile deviation