Question # 1

In constructing a Histogram if the class interval size of one class is double than others then freq of that class should be:

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Doubled

Half

Quarter

One

In chain base method,the base period is:

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Fixed

Changed

Constant

None of these

If y = 5x + 10, then mean deviation of y is

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5 mean deviation (x)

25 mean deviation (x)

5 mean deviation (x) + 10

None of them

Current year quantities are used as weight in

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Laspeyr's index number

Paasche's index number

Fisher's index number

None of these

Second moment about mean is:

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0

1

Variance

Standard deviation

The probability of type-1 error is denoted by

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a

1- a

b

1- b

The data in their original form are called

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Secondary data

Ordered data

Primary data

Un-official data

Sum of deviation from Mean is always

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Negative

Positive

Zero

Fractional

The shape of the normal distribution is:

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Leptokurtic

Mesokurtic

Platykurtic

Skewed

In binomial distribution:

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Mean = variance

Mean > variace

Mean < variance

Zero

Variance remains unchanged by change of:

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Origin

Scale

Both

None of them

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NAT I General Science Statistics MCQs With Answers

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