Question # 1

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

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Arithmetic mean

Geometric mean

Mode

Median

In random sampling the probability of selecting and item from the population is

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Un-known

Known

Undecided

None

Normal distribution is

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Lepto kurtic

Platy kutic

Meso kuritc

None of these

The binomial distribution is symmetrical when

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p = q

p > q

p < q

None of these

Var (2x + 3) is

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5 var (x)

12 var (x)

4 Var (x)

None of these

In which distribution the successive trials are with replacement:

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Hypergeometric distribution

Binomial distribution

Continuous distribution

None of these

The probability of an impossible event is equal to:

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Zero

One

0.5

None of these

If 1- a = 0.90, then value of Z_a-2 is

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1.96

2.575

1.645

2.326

Which index number may be weighted?

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Simple

Compositive

Both a and b

Fisher

The probability of rejecting H_o when it is true is called

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Confidence co-efficient

Level of confidence

Size of test

power of the test

The sum of values divided by their numbers is called

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Mode

Median

Mean

G.M

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NAT I General Science Statistics MCQs With Answers

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