Question # 1

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b_yx

b_xy

S_p

Level of significance is denoted by

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2 - α

3 - α

α

1 - α

When b_xy is positive, then b_yx will be _______.

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Negative

Positive

Zero

One

A numerical characteristic calculated from sample is called:

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Sample unit

Sample design

Statistic

Parameter

The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called

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equation

relation

ratio

regression

A region for which the H_o is rejected is called

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acceptance region

rejection region

critical region

both b and c

In a systematic sampling every ------------ unit is selected

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1^st

last

xth

normal

A statistic on the basis of which a decision is made about the hypothesis of interest is called

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critical region

test statistic

parameter

rejection region

A characteristic which varies in quantity from one individual to another is called a________.

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Association

Correlation

Variable

Attribute

A single value used to estimate a population value is called:

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Interval estimate

Point estimate

Confidence interval

Level of confidence

For a least squares line trend Y = a + bx, the b is the:

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Intercept

Slope

Variable

Trend

Confidence intervals which are often used in practice are

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90%

95%

98%

all of these

A descriptive measure of a population is called

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sample

statistic

parameter

erro

Large sample contains more than

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5 values

10 values

20 values

30 values

In the measurement of secular trend the moving averages:

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Give the trend in a straight line

Measure the seasonal variations

Smooth out a time series

None of these

If sampling is done without replacement then no

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Nⁿ

^NC_n

^Np_"

N x N

A process of dividing the objects into two mutually exclusive classes of an attribute is called

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classification

trichotomy

dichotomy

association

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Statistics Ics Part 2 Online Test MCQs With Answers

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