Question # 1

if m = 130, X̂ = 150,s = 5,n =10, what test statistic is appropriate?

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Z

t

X²

F

The first moment about origin is equal to:

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Variance

Mode

Mean

Standard deviation

An after Eid sale in store is an example of

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Secular trend

Attributes

Constants

None of those

A graph of a cumulative frequency distribution is called:

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Frequency curve

Frequency polygon

Ogive

Histogram

The difference of the true value of parameter and corresponding value of sample is called

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Non-sampling error

Sampling error

Random error

None of these

If y = 5x +10 and x is N(10,25) then mean of y is:

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50

60

70

135

The data in their original form are called

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Secondary data

Ordered data

Primary data

Un-official data

Second moment about mean is

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Zero

One

Standard Deviation

Variance

Two attributes are independent if

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(AB) = (A)(B) / N

(AB) ¹ (A)(B) / N

(AB) > (A)(B) / N

(AB) < (A)(B) / N

The lowest value of variance is:

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1

0

-2

None of them

Set of electronic instruction is

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Hardware

Software

Ouput device

None of these

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NAT I General Science Statistics MCQs With Answers

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