Question # 1

In the regression equation x =a + by then called

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Independent variable

Dependent variable

Quantitative variable

Continuous variable

Var (ax + b ) is:

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a² var (x) + b

a var (x) - a²

a² var (x)

Zero

A misfit person is not selected for the job

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Nor error

Type I error

Type II error

Sampling error

A specific value calculated from sample is called

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Estimator

Estimate

Estimation

Bias

If for a contingency table d.f = 12 and the no of rows = 4 then the no of columns will be

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5

4

3

2

An arrangement of data to show the frequency of occurrence is called

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Frequency distribution

Probability distribution

Data array

Cumulative distribution

In hypergeometric distribution the trials are:

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Independent

Dependent

Both a and b

None of these

E |X- M| =

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Zero

Mean deviation

S.D

Variance

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

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y intercept

Slope

x intercept

Trend

Graph of times series is called

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Pie diagram

Scatter diagram

Histogram

Historigram

An estimator is........ if its expected value is equal to the population parameter to be estmated

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Bad

Based

Unbiased

None of these

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NAT I General Science Statistics MCQs With Answers

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