Question # 1

The part of column captions is called

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Stub

Body of the column

Box-head

Prefatory

Binomial distribution has two

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Variables

Constants

Parameters

None of these

The area under the probability density function is

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1

0

Minimum

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

Indices that involve a group of commodities are referred to as

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Simple indices

Common indices

Aggregate indices

Relative indices

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

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rejected

accepted

zero

tested

Lack of symmetry is called

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Dispersion

Moment

Skewness

Kurtosis

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 probability distribution of a discrete random variable is usually written with the help of a function, called its

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Formula

Variable

Random variable

Discrete variable

The graph of the time series is called

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Histogram

Pie chart

Bar diagram

Historigram

The heights of all the students enrolled at a college in a given year, is an example of

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Infinite population

Finite population

Discrete sampling

None of these

The ______ is a systematic component of variation in a time series.

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Historigram

Signal

Noise

Time period

In chain base method, the base period is

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Fixed

Not Fixed

Constant

None of these

The first moment about mean is equal to

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Mean

Zero

Median

Mode

_______ is a quantity computed from a population when the entire population is available.

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Variables

Surveys

Ratio

Parameters

Primary data and ungrouped data are

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Same

Opposite

Not same

Proportional

Recording the time (minutes) taken by the customers to wait for its turns in a utility store while standing in a queue, is an example of

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Discrete variable

Continuous variable

Constant

Parameter

The variance of a constant is

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Constant

Zero

One

None of these

In the study of two attributes, n =

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B +α

(AB) + (AB)

AB + (αB)

(A) + (α)

A well defined collection of distinct objects is called

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Probability

Chance

Element

A set

A set that contains no element is called

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Null set

Singleton set

Zero set

Infinite set

Which one of the following is an example of seasonal variation

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An increase in consumption of electricity in summer

A steel strike, delaying production for a week

A continually increasing demand for smaller automobiles

None of these

Link relatives are not directly comparable because they have

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Fixed base

Not fixed base

Zero values

None of these

A value calculated from sample is called

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Parameter

Variable

Constant

Statistic

A collection of eight bits is called

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Byte

Word

Record

File

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

Level of satisfaction is

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Continuous

Discrete

Population

Qualitative

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