Question # 1

If mena = 40, Mode =42, then distribution is:

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+ skew

- skew

Symmetrical

All of these

A graph of time series is called

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Histogram

Polygon

Straight line

Historigram

Total angle of a pie chart is

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100^o

180^o

300^o

360^o

In symmetrical distribution the values of mean median and mode

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Zero

Coincide

Do not coincide

None of these

In computer studies RAM stands for

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Ready any Memory

Read Actual memory

Random access memory

Reach at memory

1- a is also called

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level of significance

Power of test

Size of test

Confidence co-efficient

In hypergeometric distribution trials are:

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Independent

Dependent

Constant

None of these

By decreasing ×̅ the length of confidence interval for m

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Increases

Decreases

No effect

None of these

A misfit person is not selected for the job

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Nor error

Type I error

Type II error

Sampling error

A numerical value computed from sample is called:

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Parameter

Sampling unit

Sampling design

Statistic

The hypothesis which is tested for possible rejection is called

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Null hypothesis

Alternative hypothesis

Wrong hypothesis

None of these

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NAT I General Science Statistics MCQs With Answers

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