Question # 1

If Mean = 25 and S² =25 the C.V is

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100%

25%

20%

None of these

In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.

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4

6

8

zero

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

The sum of absolute deviation form median is.

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zero

negative

least

maximum

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

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

Relative depression is of types.

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1

4

3

2

The variance of constant is always

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Constant

One

Positive

Zero

β is a letter

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German

Greek

Latin

Dutch

The S.D. of 8,8,8,8,8, is.

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8

(8)²

zero

5

If b₂ = 3, then the distribution is:

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leptokurtic

Platykurtic

Normal

None of these

The main advantages of using the range as a measure of dispersion is that.

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It is easy to calculate

It is heavily influenced by extreme values.

It can change drastically from one data set to the next

It is determined by only two points in the data set

Karl Pearson's 1^st co-efficient of skewness is given by formula

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None of these

The value of quartile deviation is always

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Positive

Zero

Negative

None of these

Teh range of the value -2, -4, -6 and -8 is.

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-6

6

-10

-4

Fist moment about origin in is always equal

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Mean

Variance

Zero

1(One)

The distribution is measokurtic if the moment coefficient of of kurtosis b2 is.

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Equal to 0

Equal to 3

Less than 3

Greater than zero

Range can be calculated in open-end classes.

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Never

Always

Often

Seldom

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Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers

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