Question # 1

A graph of a cumulative frequency distribution is called:

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Frequency curve

Frequency polygon

Ogive

Histogram

If the two variables are uncorrelated then the value of "r" is

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-1

0

F1

Fractional

If var (x) =5, var(y) =10, then var (2x + y) is:

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10

15

30

25

The probability that the confidence interval does not contain the parameter is denoted by:

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a

1- a

b

1- b

Normal distribution is

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Lepto kurtic

Platy kutic

Meso kuritc

None of these

G.M of three numbers 2,4,8 is:

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2

8

4

3,67

Weight of earth is:

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Discrete Variable

Continuous Variable

Qualitative variable

Difficult to tell)

If any value in the series is zero then it is impossible to calculate

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Mean

Geometric mean

Mode

None of these

The data in their original form are called

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Secondary data

Ordered data

Primary data

Un-official data

Basic year weighted index numbers are:

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Laspeyre's

Paasche's

Fisher's

None of these

E(X - μ)² =

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^Zero

S,D

Variance

Mean deviation

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NAT I General Science Statistics MCQs With Answers

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