Question # 1

Var (ax + b ) is:

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a² var (x) + b

a var (x) - a²

a² var (x)

Zero

Now a days the word statistics can be expressed in how many ways?

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2

3

5

4

The probability of drawing one green ball from a bag containing 6 red,8 black 10 yellow and one green ball is

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1/25

0

4/13

15/20

If z = x - y then ̅̅̅̅̅̅z̅ is:

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x̅+y̅

x̅ - y̅

0

x̅y̅

The hypergeometric distribution has parameters:

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2

3

4

None of these

P_n/ P_n-1 100 is equal to:

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Price relative

Chain indices

Link relative

None of these

The most suitable average in the construction of index number is

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Mean

Geometric mean

Median

Mode

If 'c' is a non-random variable then E(c) is:

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Zero

C

Two

None of these

Accepting H_o when H_o is true is a:

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Type I error

Type II error

Correct decision

None of these

The data in their original form are called

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Secondary data

Ordered data

Primary data

Un-official data

A complete list of elements in a population is called

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Population

Sampling design

Sampling frame

Sampling Unit

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NAT I General Science Statistics MCQs With Answers

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