Statistics MCQs

Page No. 8

Standard normal variable Z is___________?


a x – µ /σ

✓


b µ- x /σ

✖


cσ – x/ µ

✖


dx – σ/ µ

✖


View Answer x – µ /σ

Every distribution tends to ____ distribution?


aSmall

✖


b∞

✖


cLarge

✓


dFinite

✖


View Answer Large

In normal distribution Q1=_________?


au + .6745 (S.D.)

✖


bu – .7979 (S.D.)

✖


cu + .6745 (S.D.)

✖


d u – .6745 (S.D.)

✓


View Answer u – .6745 (S.D.)

If n ≥ 30 and _____ then binomial approaches to normal distribution?


aq/p

✖


b p = q

✓


cpq

✖


dp = n

✖


View Answer p = q

The _____ order moments about mean are all zero?


aFour

✖


bAdd

✓


cEven

✖


dNone

✖


View Answer Add

In a normal distribution quartile deviation is _______ (S.D.)?


a .2745

✖


b .3789

✖


c .79079

✖


d.6745

✓


View Answer .6745

In Normal distribution, the parameter which controls the flatness of the curve is____________?


a µ,σ

✓


b µ, MD

✖


c 2∏—√,e

✖


d None

✖


View Answer µ,σ

In a normal distribution E(X-µ)2 is________________?


aVariance

✓


bMean Deviation

✖


c Standard Deviation

✖


dQuartile Deviation

✖


View Answer Variance

Shape of normal curve can be related to_______________?


aBell

✓


bCircle

✖


cRectangle

✖


dL

✖


View Answer Bell

We use normal distribution when “n” is________________?


aSmall

✖


bFixed

✖


cNone

✖


dLarge

✓


View Answer Large

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