Statistics MCQs

Page No. 11

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


a 1/σ√2∏e 1/2×2

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b1/σ√2∏e -1/2×2

✓


c1/√2∏

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d1/σ√2∏

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View Answer 1/σ√2∏e -1/2×2

In normal distribution u2 = S2 and u4 =___________?


a3S2

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b3S

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c3S4

✓


d4S2/x

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View Answer 3S4

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


a.6734

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b .7879

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c.6745

✓


d.4567

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View Answer .6745

Normal distribution has ______ parameter?


aThree

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bTwo

✓


cFour

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dOne

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View Answer Two

Normal distribution is a probability distribution of _____ random variable?


aContinuous

✓


bConstant

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cDiscrete

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dNormal

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View Answer Continuous

Combine mean calculated by different given mean is ________?


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

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

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

✓


d ∑n1x/x1

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


a (n2 + 1)

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b(2n + 1)2

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c(n + 1)2

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d(N – 1)2

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View Answer (n + 1)2

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


aUni-modal

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bBi-model

✓


cTri-modal

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dNone of these

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View Answer Bi-model

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


aEUP

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bLEY

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cEUQ

✓


dEFP

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View Answer EUQ

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


aMedian

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bQuartiles

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cMode

✓


dDeciles

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View Answer Mode

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