Question # 1

Selecting a representative sample from a given population called

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Finite population

Sampling

Infinite population

None of these

A value calculated from sample is called

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Parameter

Variable

Constant

Statistic

The number used to describe classes in a frequency distribution are called

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Class limits

Relative frequency

Cumulative frequency

Width of class

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

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Constant

Parameter

Variable

None of these

Computer memory

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Performs all calculations

Receives input data

is extremely limited

is better than human memory

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

The entries in different cells of columns and rows in a table are called

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Body of the table

Captions

Stub

Prefatory notes

If any value in the data set is zero, then it is not possible to compute

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H.M

A.M

Median

Mode

A procedure of making judgment about the unknown value of a population parameter by using the sample observation is called

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Statistical Inference

Parameter

Testing of hypothesis

Statistical estimation

The sum of deviations of the value from the mean is always

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Minimum

Maximum

One

zero

In chain base method, the base period is

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Fixed

Not Fixed

Constant

None of these

In data of birth's and death'd and epidemics as a result of advancement in medical sciences, the secular trend is usually

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a downward tendency

zero tendency

an upward tendency

None of these

The heading for different columns are called

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Stubs

Source notes

Columns captions

Footnotes

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

A ___________ is a line or curve that shows the general tendency of a time series.

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Historigram

Seasonal variation

Secular Trend

None of these

The data which have not undergone any statistical treatment are ________ data

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Primary

Secondary

Grouped

None of these

The part of the table containing row captions is called

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Stub

Row captions

Box-head

Row-head

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

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Weighted

Unweighted

Relative

Composite

Time series analysis is used to analyze data

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Over different time periods

Across different companies

Across different companies and across different time periods

That are qualitative

The probability distribution of a discrete random variable is usually called its probability

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Inverse function

Mass function

Density function

Frequency function

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

Relative measures have no

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Negative values

Decimal values

Units

Value

Mean deviation is always

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Greater than S.D

Less than S.D

Equal to S.D

Negative

Probability sampling is also called

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Random sampling

Discrete sampling

Continuous sampling

Standard error

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

Bias is

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Non random error

Option A & C

Cumulative

None of these

G.M becomes zero if any of the observation is

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zero

1

similar

Opposite

A set consisting of all the elements of the sets under consideration is called the

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Universal set

Disjoint set

Overlapping set

Proper set

The branch of statistics concerned with using probability concepts to deal with uncertainty in decision making is called

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Estimation

Statistical Inference

Point estimate

None of these

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