Question # 1

Movement in secular trend

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Smooth

Steady

Regular

All

The science of statistics can be divided into branches:

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2

3

5

4

Second moment about mean is

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Zero

One

Standard Deviation

Variance

If critical region is located on both sides it is called

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One tailed test

One sided test

Two tailed test

Not exists

In Random sampling the probability of selecting an item from the population is

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Unknown

Known

Undecided

One

The total angle of pie chart is:

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90^o

1800^o

360^o

270^o

The standard deviation of any sampling distn is called

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Sampling error

Non-sampling error

Standard error

Type 1 error

Which of the following cannot be null hypothesis:

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qΣ q

q³ q

q = q

q¹ q

A perfect positive correlation is signified by

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0

-1

+1

-1 to +1

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

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Un-known

Known

Undecided

None

If E (X) = 1.6 and E (Y) = 0.4, then E (X - Y) =--------------

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1.2

-0.2

2.0

None of these

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NAT I General Science Statistics MCQs With Answers

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