**701. Which of the following is also referred to as random variable?**

A. stochast

B. eliette**C. aleatory**

D. None Of the above

**702. It is the measure of variability, based on dividing a data set into quartiles.**

A. Deviation

B. Standard Deviation

C. Range**D. Inter Quartile Range**

**703. Chebyshev’s inequality states that the probability of a “Six Sigma” event is less than __________.**

A. 0.01

B. 0.02**C. 0.03**

D. 0.04

**704. If Y = aX ± b, where a and b are any two constants and a ∦ 0, then the quartile deviation of Y values is equal to:**

A.a Q.D(X) + b**B.∣a∣ Q.D(X)**

C.Q.D(X) – b

D.∣b∣ Q.D(X)

**705. For a symmetrical distribution:**

A. β1 > 0

B. β1 < 0**C. β1 = 0**

D. β1= 3

**706. The scatter in a series of values about the average is called:**

A.Central tendency**B.Dispersion**

C.Skewness

D.Symmetry

**707. The measures of dispersion can never be:**

A.Positive

B.Zero**C.Negative**

D.Equal to 2

**708. Which of the following is an absolute measure of dispersion?**

A.Coefficient of variation

B.Coefficient of dispersion**C.Standard deviation**

D.Coefficient of skewness

**709. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:**

A.-48**B.40**

C.-40

D.48

**710. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:****A.10**

B.15

C.25

D.35