Question # 1

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

For positively skewed binomial distribution

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p = 0

p < 0.5

p > 0.5

p = 0.5

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 index numbers calculated by considering the relative importance of variables are called:

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Un-weighted

Weighted

Simple

None

The most commonly used mathematical method for measuring trend is

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Moving average method

Semi-average method

Method of least squares

Free- hand curve method

Set of electronic instruction is

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Hardware

Software

Ouput device

None of these

The shape of the normal distribution is:

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Leptokurtic

Mesokurtic

Platykurtic

Skewed

The graph of time series is called

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Histogram

Historigram

Polygon

None of these

How many types of dispersion

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2

3

4

None of these

A perfect positive correlation is signified by

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0

-1

+1

-1 to +1

A hypothesis in which all parameters are specified is called

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Composite hypothesis

Null hypothesis

Simple hypothesis

All

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NAT I General Science Statistics MCQs With Answers

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