## Stats MCQs from past papers

**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 despersion is**

A. Semi-interquartile range

B. Range

C. Standard deviation

D. Mean deviation

**3. On the bases of absolute deviation a measure of dispersion is_____________**

A. Mean deviation

B. Coefficient of quartile deviation

C. standard deviation

D. Quartile deviation

**4. 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 ______________ 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 remain same for a week thenthe 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 setÂ of data id always_________**

A. more than S.D

B. Equals to S.D

C. Less tha 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