## MCQs of Statistics from latest books editions

**1. The collec****tion of data, items or individuals under statistical study is called ______________**

A. parameter

B. Sample

C. Population

D. Statistics

**2. When the sum of all the observations are dividing by their number, we obtain ____________**

A. Arithmetic mean

B. geometric mean

C. Harmonic mean

D. Mode

**3.Statistics is a body of methods dealing with _____________**

A. The collection of data

B. The analysis and interpreting of data

C. The description of data

D. All of the Above

**4. A positively skewed distribution is _______**

A. Mean > Mode

B. Mode > Mean

C. Median > Mean

D. None of these

**5. ______________ is a part of population selected for study.**

A. Sample

B. Parameter

C. population

D. Statistic

**6. The formula for obtaining arithmetic mean of first n numbers is**

A. n(n+1)/2

B. n(n-1)/2

C. n/2

D. (n+1)/2

**7. ______________ is the combination of probability assessment and monetary consequences for making business decision.**

A. Statistical inference

B. Statistical Decision theory

C. Statistical description

D. None of these

**8. ___________ is the most suitable method for calculating average increase in population.**

A. Mean

B. Median

C. G.M

D. H.M

**9. A descriptive measure of a sample is called ________________**

A. statistics

B. Parameter

C. Variable

D. Sample

**10. if deviation is taken from ______________ the sum of deviation of observation is zero.**

A. Geometric Mean

B. Mode

C. Median

D. Arithmetic mean

**11. For representation of the distribution as a whole by calculation of central value is called measure of _________**

A. Kurtosis

B. Skewness

D. Dispersion

**12. We compute ______________, if the values in a series are not of equal importance.**

A. weighted mean

B. Harmonic mean

C. Mean

D. Median