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If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X³) equals to:

The null hypothesis in ANOVA one-way classification, the study of the variances due to k different sources, is:

Which of the following statements is INCORRECT?

If A,B and C are arbitrary events, then P(A ∩ B ∩ C) equals to:

Which of the following options is correct when data is classified on the basis of attributes?

Recession in industry is associated with the:

If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is

The probability density function of a random variable X is f(x) = ( π /10) sin ( π x /5) ; 0 ≤ x ≤ 5. The first quartile of X is:

If the first, fifth and ninth decile of frequency distribution xi ∣ fi are 3,10,16, respectively, then Kelly's coefficient of skewness is: