Question # 1

How many basic types of index numbers:

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2

3

4

5

Components of time series are

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Four

Three

Two

One

The probability of an impossible event is equal to:

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Zero

One

0.5

None of these

In symmetrical distribution if Q₁ = 4, Q₃ = 12 then median is

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4

16

8

Zero

A constant can take values:

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Fixed

Not fixed

Zero

None of these

The hypothesis which is tested for possible rejection is called

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Null hypothesis

Alternative hypothesis

Wrong hypothesis

None of these

Graph of times series is called

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Pie diagram

Scatter diagram

Histogram

Historigram

Which index number may be weighted?

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Simple

Compositive

Both a and b

Fisher

Movement in secular trend

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Smooth

Steady

Regular

All

Which is correct for the binomial distribution:

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Mean > Variance

Mean < Variance

Mean = Variance

Mean = standard Deviation

Statistic is a characteristic calculated from

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Population data

Sample data

Arrayed data

Fictitious data

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NAT I General Science Statistics MCQs With Answers

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