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NAT I General Science Statistics MCQs With Answers

Question # 1

Second moment about mean is:

Choose an answer

Variance

Standard deviation

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Question # 2

Variance remains unchanged by change of:

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Origin

Scale

Both

None of them

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Question # 3

In which distribution the successive trials are with replacement:

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Hypergeometric distribution

Binomial distribution

Continuous distribution

None of these

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Question # 4

The median of A,S,S,O,C,I,A,T,E is:

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None of them

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Question # 5

The average value of the lower and upper limits of a class is called:

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Class boundry

Class frequency

Mid point

Class interval

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Question # 6

A set of instruction that run the computer are:

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Hardware

Printers

Monitors

Software

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Question # 7

The most suitable average in the construction of index number is

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Mean

Geometric mean

Median

Mode

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Question # 8

In binomial distribution:

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Mean = variance

Mean > variace

Mean < variance

Zero

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Question # 9

If b_yx < 0 and b_xy < 0 then "r"

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¹ 0

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Question # 10

If all the values are of equal importance then index numbers are called:

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Simple

Weighted

Un-weighted

Cost of living

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Question # 11

Statistical inference can be divide into,,,,,,,,,,,,approches

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Four

Three

Two

None

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