(A) -∞ to +∞
(B) 0 to ∞
(C) -∞ to 0
(D) None of these
Tag: Statistics Multiple Choice Questions
N(μ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means __.
(A) 46
(B) 76
(C) 36
(D) 47
In a standard normal distribution z = 0 corresponds to __.
(A) Mean
(B) S.D.
(C) M.D.
(D) Q.D.
As the normal distribution is symmetrical, its mean, median and mode are:__.
(A) Coincide
(B) Not equal
(C) Different
(D) None of the above
The maximum of function is at__.
(A) X = σ2
(B) X = μ
(C) X = μ + σ
(D) X = 0
If β1 = 0 it means the distribution is __.
(A) Symmetrical
(B) + vely skewed
(C) -vely skewed
(D) Non of these
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)
In normal distribution Q.D. ( quartile deviation)is equal to__.
(A) σ
(B) 0.7979 σ
(C) 0.6745 σ
(D) None of these