Statistical Officer MCQs with answers for statistical officer jobs test preparation online.

## Statistical Officer MCQs

**Mean deviation is always ________?**

A. Equal to S.D.

B. More than S.D.**C. Less than S.D.**

D. Negative

**The S.D. and variance are ____ of origine?**

A. Multiplied

B. Variance

C. Change**D. Independent**

**The ________ in the distribution around which the observation to lie?**

A. Mean

B. Dispersion**C. Manner**

D. Central value

**The value of interval x ± S include ______?**

A. 49.45%

B. 95.45%**C. 68.27%**

D. 99.73%

**First moment about origin is always equal to ______?**

A. A.M.

B. variance**C. Zero**

D. None of these

**The sum of powers of deviation from mean is zero is called ____?**

A. Mean

B. Lack**C. Normal**

D. Skewed

**If Skewed distribution the three averages mean, median and mode are ___?**

A. Identical**B. Different**

C. Zero

D. None of these

**The sum of the squares of deviations is the least when measured from ____?**

**A. A.M.**

B. Median

C. Mode

D. G.M.

**Mean deviation =______ S.D?**

A. 2/3**B. 4/5**

C. 5/6

D. 6/5

**Standard deviation is always calculated from ____?**

**A. Mean**

B. Median

C. Mode

D. G.M.