Mean deviation of Normal Distribution is_____________?
A. 45σ
B. 34σ
C. 78σ
D. 23σ
The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
A. None of the above
B. 0.1477
C. 0.1597
D. 0.3413
E. 0.4990
The normal distribution is_________?
The normal distribution is_________?
A. Platykurtic
B. Leptokurtic
C. Mesoukurtic
D. None of these
In normal distribution Q.D. ( quartile deviation)is equal to________?
In normal distribution Q.D. ( quartile deviation)is equal to________?
A. σ
B. 0.7979 σ
C. 0.6745 σ
D. None of these
P95 means _____?
P95 means _____?
A. The central 95% area
B. The point above above which95% area lies
C. The point above below which 95% area lies
D. Both (a) and (b) but not (c)
If β1 = 0 it means the distribution is _______________?
If β1 = 0 it means the distribution is _______________?
A. Symmetrical
B. + vely skewed
C. -vely skewed
D. Non of these
The maximum of function is at_______________?
The maximum of function is at_______________?
A. X = σ2
B. X = µ
C. X = µ + σ
D. X = 0
As the normal distribution is symmetrical, its mean, median and mode are:____________?
As the normal distribution is symmetrical, its mean, median and mode are:____________?
A. Coincide
B. Not equal
C. Different
In a standard normal distribution z = 0 corresponds to _____________?
In a standard normal distribution z = 0 corresponds to _____________?
A. Mean
B. S.D.
C. M.D.
D. Q.D.
N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?
N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?
A. 46
B. 76
C. 36
D. 47