Experiment in which outcomes vary from trial to trial _________________?
A. Experiment
B. Variable
C. Random experiment
D. Non of these
Statistics Mcqs
Random numbers are used for selection of ____________?
Random numbers are used for selection of ____________?
A. Random space
B. Space
C. Random sample
D. Non of these
A random variable is that whose value is determined by the outcome of _________________?
A random variable is that whose value is determined by the outcome of _________________?
A. Trial
B. event
C. Experiment
D. Random experiment
Random numbers are also called__________________?
Random numbers are also called__________________?
A. Random experiment
B. random Errors
C. Random digits
D. None of these
A continuous random variable which can assume all possible values on scale in a given _______________?
A continuous random variable which can assume all possible values on scale in a given _______________?
A. Interval
B. Point
C. Time
D. Sample space
Hourly temperature recorded by weather bureau is the example of ___________?
Hourly temperature recorded by weather bureau is the example of ___________?
A. Discrete variable
B. Qualitative variable
C. Continuous variable
D. None of these
Var (kY)= ____________?
Var (kY)= ____________?
A. k Var (Y)
B. k2 Var(Y)
C. Var(Y)
D. k2
For two independent random variables X & Y, Var (x ± y)=___________?
For two independent random variables X & Y, Var (x ± y)=___________?
A. Var(X) + Var (Y)
B. Var(X) – Var (Y)
C. Var (X)±
D. Zero
Coefficient of variation (C.V) is given below:_________________?
Coefficient of variation (C.V) is given below:_________________?
A. Mean/S.D.
B. S.D./Mean x 100
C. Mean/S.D. x 100
D. S.D./Mean
If c is non-random variable, the E(C) is_______________?
If c is non-random variable, the E(C) is_______________?
A. Zero
B. C
C. 1
D. 2