Question # 1

The smallest and larges value of any given class of frequency distribution are called.

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Class limits

Class interval

Class marks

Class Boundry

Information recorded in its original form, whether counts or measurements in referred to as.

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Continuous data

Raw data

Discrete data

Arrayed data

The grouped data is.

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Primary

Secondary

Raw data

None of them

Which of the following indices has an upward bias.

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Laspeyres' index

Paache's index

Fisher's index

None of these

The change is whole sale or retail are studied ___________

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Price index number

Quantity index number

Volume index number

None of these

The weights used in a price index are.

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Percentage of total price

Average of prices

Quantities

None of these

As the numebr of observations and classes increase, the shape of a frequency polygon.

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Tends to become increasingly asmooth

Tends to become jagged

stays the same

Varies if data become more reliable

The coins are tossed, the porbability of two tails is euql to.

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1/2

1/4

3/4

1

Range of the ungroup data can be calculate by formula.

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X_m - X_m

X_m - X₀

X₀

X₀ - X_m

For symmetrical distributions the values of co-efficent of skewness is

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Negative Number

Positive Number

Imaginary Number

Pure Number

Which of the following indices satisfies both the time reversal and factor reveral tests.

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Laspeyres' index

Fisher's index

Paasche's index

Marshall -edge worth

A statistical table has at least.

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Five parts

Four parts

Three parts

Two parts

F(-∞) is always equal to

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Zero

One

Two

Negative one

If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.

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0.1.2.3

1,3,3,1

1,2,3

None of these

The types of dispersion are.

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2

3

4

5

The number 5.0435001 rounded off to nearest thousandth is.

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5.043

5.044

5.050

5.000

If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B.

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Theire parts of the rectangle will overlap

Their parts fo the rectangle will be equal in area

Their parts of the rectangle will not overlap

None of these

Laspeyres index number is also called as:

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Base year weight index number

Current year weight index number

Ideal index number

Fisher index number

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