Statistics MCQs

Page No. 11

The equation of standard normal distribution is f(z)=________?


a 1/σ√2∏e 1/2×2


b1/σ√2∏e -1/2×2


c1/√2∏


d1/σ√2∏


View Answer 1/σ√2∏e -1/2×2

In normal distribution u2 = S2 and u4 =___________?


a3S2


b3S


c3S4


d4S2/x


View Answer 3S4

The quartile deviation is ____ (S.D.) is normal dist?


a.6734


b .7879


c.6745


d.4567


View Answer .6745

Normal distribution has ______ parameter?


aThree


bTwo


cFour


dOne


View Answer Two

Normal distribution is a probability distribution of _____ random variable?


aContinuous


bConstant


cDiscrete


dNormal


View Answer Continuous

Combine mean calculated by different given mean is ________?


an1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu


bn1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4


cn1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu


d ∑n1x/x1



The median of numbers, 12, 22, 32,__(2n + 1)2 is given by______?


a (n2 + 1)


b(2n + 1)2


c(n + 1)2


d(N – 1)2


View Answer (n + 1)2

A distribution is called _____ distribution if it has two modes?


aUni-modal


bBi-model


cTri-modal


dNone of these


View Answer Bi-model

The median of F,K,E, Q, U, E, N, C,Y, is ________?


aEUP


bLEY


cEUQ


dEFP


View Answer EUQ

The frequent value of the data if it exists is called ________________?


aMedian


bQuartiles


cMode


dDeciles


View Answer Mode

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