Question # 1

Another name of the population is

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Experiment

Survey

Universe

Parameter

The Classes Aβ,αB, etc. are called

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Positive classes

Negative classes

Negative of A and B

Contrary classes

Probaility of an event cannot be

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Positive

One

Negative

None of these

The number of tally count for each value is its

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Range

Frequency

Class boundaries

Class mark

Population parameters are estimated from

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Sample data

Whole data

Estimator

Population interval

Indices that involve a group of commodities are referred to as

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Simple indices

Common indices

Aggregate indices

Relative indices

Which of the following is/are unbiased estimators

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Sample mean

Sample proportion

Sample variance

All of these

The part of column captions is called

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Stub

Body of the column

Box-head

Prefatory

The null hypothesis (H_o) is the hypothesis that is always

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rejected

accepted

zero

tested

If "a" and "b" are constants, then E(ax + b) =

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a

a E (x)

E (x)

a E (x) + B

A point estimate is a single number that is used to estimate an unknown

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Constant

Parameter

Variable

None of these

The base period in fixed base should be

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A normal year

Average of normal years

Any year

None of these

In chain base year method, the _________ is fixed

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Year

Price

Quantity

Price and quantity

Exponential smoothing requires

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Past values of the time series

Current values of the time series

Both past and current values of the time series

Estimation of a time trend regression

Computer means

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Complete

Processing

Data

Calculate

The frequency of classes of the highest order are called

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Consistence of frequencies

Ultimate class frequencies

Independence of attributes

None of these

The sum of probability of success and probability of failure in a binomial probability distribution is always

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Zero

One

Less than 1

Greater than 1

Rejecting a null hypothesis, when it is true, is called

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Row scale

Simple hypothesis

Type 1 error

Type 2 error

The collecting of information from a part of the population is called making a

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Census

Complete enumeration

Discrete sampling

None of these

If all items are given equal weight, the index number is called

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Weighted

Unweighted

Relative

Composite

A specific value of an estimator computed from the sample data after the sample has been observed is called

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Point estimate

Statistical Inference

Statistic

Parameter

A __________ is the totality of items or things under consideration

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Sample

Population

Statistic

Parameter

In the study of two attributes, (B) =

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(Aβ) + (αB)

(AB) + (Aβ)

(B) + (β)

(AB) + (αβ)

A variable whose values depend upon the outcomes of a random experiment is called a

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Constant

Parameter

Random variable

Continuous variable

Mean is highly affected by

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Even values

Odd values

Zero values

Extreme value

A fire in a factory delaying production for 3 weeks is an example of

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Seasonal variation

Secular Trend

Cyclical fluctuations

Irregular Movements

Sum of absolute deviations are minimum if computed from

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Mean

Median

Mode

Range

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