A. Discrete variable
B. Qualitative variable
C. Continuous variable
D. None of these
Hourly temperature recorded by weather bureau is the example of ___________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. k Var (Y)
B. k2 Var(Y)
C. Var(Y)
D. k2
Var (kY)= ____________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Var(X) + Var (Y)
B. Var(X) – Var (Y)
C. Var (X)±
D. Zero
For two independent random variables X & Y, Var (x ± y)=___________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Mean/S.D.
B. S.D./Mean x 100
C. Mean/S.D. x 100
D. S.D./Mean
Coefficient of variation (C.V) is given below:_________________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Zero
B. C
C. 1
D. 2
If c is non-random variable, the E(C) is_______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. 0.1
B. 1
C. 0.5
D. 0
E. Cannot be determined from given information
What is the probability that a ball drawn at random from a jar ? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. -1 and 0
B. 0 and 1
C. -1 and 1
D. exactly 1
Probability of occurrence of an event lies between______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Harmonic Mean
B. Geometric Mean (GM)
C. Arithmetic Mean (AM)
D. Non
For a random variable X, E(X) is_______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. 0
B. -1
C. 1
D. Non of These
For distribution Function F(X),F(-∞)=0 and F(∞)= ? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. P(X=x)
B. P(X
C. P(X>x)
D. P(X≤x)
The distribution function F(X) is represent by_______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs