Question # 1

If Mean = 25 and S² =25 the C.V is

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100%

25%

20%

None of these

If Y=X + A , trhe range of Y =

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Range (X)

Range (X) + A

Zero

A

For symmetrical distribution mega 3 is.

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zero

1

2

3

The variance of 5,5,5,5,5 is.

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0

25

5

125

In the grouped data , the range is the difference between.

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Two extreme class frequency

Two extreme class limits

Tow extreme class boundaries

None of these

Which set has teh maximum varaition?

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46,48,50

30,40,50

40,50,60

48,48, 49

The difference between largest and smallest observation is called

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Interval

Class interval

Range

Difference

In measure of relative dispersion unit of measurement is.

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Changed

Vanishes

Does not vanishes

None of these

The sum of the squares of deviations is the least when measured from.

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A.M

Median

Mode

Both A and B

Co-efficent of quartile deviation can be calculated by the following formula

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The types of dispersion are.

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2

3

4

5

The mean of the absolute deviations of observations from mean, median or mode is called

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Quartile deviation

Absolute deviation

Mean

Mean deviation

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

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Mean

Mode

Median

All of these

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Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers

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