Statistics MCQs

Page No. 24

The index numbers are used to measure seasonal and cyclical variations in __________?


aCommodities

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b Time Series

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cWhole sale

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dRealtives

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View Answer Time Series

Each trial in Binomial distribution has:_________________?


aOne Outcome

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bTwo Outcome

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cThree Outcome

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dFour Outcome

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View Answer Two Outcome

In which distribution successive trials are without replacement:____________________?


aHypergeometric distribution

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bBinomial distribution

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cPoisson distribution

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d Geometric distribution

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In hypergeometric distribution, the trial are:_______________?


aIndependent

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bDependent

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cCollectively Exhaustive

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d None

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View Answer Dependent

The mean of hypergeometric distribution is:___________________?


a Nk/N

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bN-k/n

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c nN/k

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dn+k/N

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View Answer Nk/N

Which of the following is not the property of binomial distribution ?


an is fixed

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bHas two outcomes

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cTrials are independent

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dProbability of success varies from trial to trial

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Hypergeometric distribution has parameter:_____________________?


a2

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b1

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c3

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d4

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View Answer 3

In a binomial probability distribution it is impossible to find______________?


a P(X < 0)

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bP(X = 0)

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c P(X > 0)

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d p(0 ≤ X≤ n)

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View Answer P(X < 0)

The mean of binomial distribution is:__________________?


anpq

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bnp

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c √npq

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d √np

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View Answer np

The probability of success changes from trial to trial in:___________________?


aBinomial distribution

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b Geometric distribution

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c Sampling distribution

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dHypergeometrical distribution

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