Normal distribution is the distribution of _______________?
A. Discrete r.v.
B. Continuous r.v.
C. Qualitative variable
D. Quantitative variable
In normal distribution, mean ______= Mode?
In normal distribution, mean ______= Mode?
A. Quartile
B. Mean deviation
C. Median
D. S.D.
Area of normal distribution total is equal to _______?
Area of normal distribution total is equal to _______?
A. Two
B. One
C. Four
D. Three
Standard normal variable Z is___________?
Standard normal variable Z is___________?
A. x – µ /σ
B. µ- x /σ
C. σ – x/ µ
D. x – σ/ µ
Every distribution tends to ____ distribution?
Every distribution tends to ____ distribution?
A. Small
B. ∞
C. Large
D. Finite
In normal distribution Q1=_________?
In normal distribution Q1=_________?
A. u + .6745 (S.D.)
B. u – .7979 (S.D.)
C. u + .6745 (S.D.)
D. u – .6745 (S.D.)
If n ≥ 30 and _____ then binomial approaches to normal distribution?
If n ≥ 30 and _____ then binomial approaches to normal distribution?
A. q/p
B. p = q
C. pq
D. p = n
The _____ order moments about mean are all zero?
The _____ order moments about mean are all zero?
A. None
B. Four
C. Add
D. Even
In a normal distribution quartile deviation is _______ (S.D.)?
In a normal distribution quartile deviation is _______ (S.D.)?
A. .2745
B. .3789
C. .79079
D. .6745
In Normal distribution, the parameter which controls the flatness of the curve is____________?
In Normal distribution, the parameter which controls the flatness of the curve is____________?
A. µ,σ
B. None
C. µ, MD
D. 2∏—√,e