Question # 1

Mean is affected by the change of.

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Origin

Scale

Both a and b

None

a measure of the chance that an uncertain event will occur.

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An experiment

An event

A probability

A trail

A frequency polygon is clsed figure which is.

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One sided

Two sided

Three sided

Many sided

If Laspeyres index = 104.5, Paasche's index = 107.9, then, Fisher's ideal index is equal to:

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100

104.1

106.2

110.2

If E a and impossible event, then P(E) is.

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0

0.5

1

Impossible

Sample mean is an

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Estimated statistic

Updating statistic

Biased statistic

Unbiased statistic

Both quantities and prices are used in:

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Link relatives

Chain relatives

Average of relatives

Aggregative index number

The variance expresses the variability of data in ................ as unit of data.

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Square of unit

Squaare root of unit

Same unit

All of these

The sum of probabilities of events of a sample space is always.

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Equal

Discrete

Continuous

Always greater then oen

The sum of squares of deviations is a minimum if these deviations are taken from the.

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Mean

Mode

Median

All of these

Theoretically best average used in the construction of composite index in

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The arithmetic mean

The geometric mean

The median

The harmonic mean

Continuous data are differentiated from discrete data in that.

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Discrete data classes are represented by fractions

Continuous data classes may be represented by fractions

Continuous data take on only whole numbers

Discrete data can take on any real number

Where 'a' is any constant.

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a₁ +a₂+ a₃ +................

na

n₁x₁ + a₂x₂ +..............

Σna

Binomial distribution has parameter

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One

Two

Three

Four

When two dice are rolled, the numebr of possible sample points is.

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6

12

36

48

F(-∞) is always equal to.

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Zero

One

Two

Negative one

A collection of all elements in a group is called.

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Sample

Data

Registration

Population

The word statistic was used first time by:

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Yule

Gottifried Achenwall

E.A.W Zimmermann

Baron

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