Question # 1

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

A specific value calculated from sample is called

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Estimator

Estimate

Estimation

Bias

In binomial experiment each trail has:

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One outcome

Two outcome

Three outcome

Four outcome

The value of correlation co-efficient lies between

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0 to +1

-1 to 0

-0.5 to +0.5

-1 to +1

A constant can take values:

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Fixed

Not fixed

Zero

None of these

The science of statistics can be divided into branches:

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2

3

5

4

In a straight line equation y = a + bx b is the

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y intercept

Slope

x intercept

Trend

If two regression coefficients are 0.8 and 0.2 then correlation coefficient is

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0.16

-0.16

0.40

-0.40

A characteristic which varies in quality from one individual to another is called

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Variable

Statistic

Attributes

Regression

Keyboard mouse and scanner are the ........devices

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Input

Output

Logical

None of these

Variance remains unchanged by change of:

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Origin

Scale

Both

None of them

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NAT I General Science Statistics MCQs With Answers

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