If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X3) equals to:
The limits of multiple correlation coefficient R1.23 are:
If price-quantity are related for base year (0) and current year (1) are
∑ : p0q0 = 260,∑ : p1q0 = 395,∑ : p0q1 = 264,∑ : p1q1 = 422, t...
 X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
Which one is not non-probability sample method
If random variable X follows binomial distribution with parameter n and p with mean 15 and variance 10, then the value of mode is
If each observation is halved then the coefficient of quartile deviation
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