MCQ

MCQ 11 Mark

The formula of standard deviation is based on which of the following ?

✓
$\bar{x}$
B
$M$
C
$M_{ o }$
D
$Q_3$

Answer

Correct option: A.

$\bar{x}$

MCQ 21 Mark

For a data, $75 \%$ observations are more than $38$ and $25 \%$ observations are more than $50$ . Find a suitable measure of dispersion using the information.

A
$12$
B
$88$
✓
$6$
D
$-6$

Answer

Correct option: C.

$6$

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MCQ 31 Mark

$730,824,594,638,912,1152$ and $2194$ persons visited a shopping mall on different days respectively during the last week. Find the range of this data.

A
$1164$
✓
$1600$
C
$558$
D
$1042$

Answer

Correct option: B.

$1600$

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MCQ 41 Mark

What is the standard deviation of the observations $-7,-7,-7,-7,-7,-7,-7 ?$

A
$-7$
B
$7$
✓
$0$
D
$1$

Answer

Correct option: C.

$0$

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MCQ 51 Mark

Give the popular name of semi-inter quartile range.

✓
Quartile deviation
B
Standard deviation
C
Range
D
Variance

Answer

Correct option: A.

Quartile deviation

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MCQ 61 Mark

Which measure of dispersion shows the maximum difference between two observations of a data ?

✓
Range
B
Quartile deviation
C
Standard deviation
D
Mean deviation

Answer

Correct option: A.

Range

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MCQ 71 Mark

Two different data can be compared by which measure of dispersion ?

A
Range
B
Quartile deviation
C
Standard deviation
✓
Coefficient of variation

Answer

Correct option: D.

Coefficient of variation

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MCQ 81 Mark

Which measure of dispersion is obtained if the extreme observations of a data are to be ignored ?

✓
Quartile deviation
B
Standard deviation
C
Variance
D
Range

Answer

Correct option: A.

Quartile deviation

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MCQ 91 Mark

What do you call, the average of the sum of squares of the deviations taken from the mean ?

A
Standard deviation
B
Coefficient of range
✓
Variance
D
Mean deviation

Answer

Correct option: C.

Variance

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MCQ 101 Mark

For which measure of dispersion, the unit of measurement is square of the unit of its variable ?

✓
Variance
B
Standard deviation
C
Quartile deviation
D
Range

Answer

Correct option: A.

Variance

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MCQ 111 Mark

Which measure of dispersion is based on only two observations of data?

✓
Range
B
Standard deviation
C
Coefficient of variation
D
Mean deviation

Answer

Correct option: A.

Range

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MCQ 121 Mark

Which of the following is an absolute measure of dispersion ?

A
Coefficient of quartile deviation
B
Coefficient of range
C
Coefficient of mean deviation
✓
Range

Answer

Correct option: D.

Range

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MCQ 131 Mark

What can be said about the dispersion in the data, if the values of the observations are very close to its average measure?

A
Equal
B
More
✓
Less
D
Zero

Answer

Correct option: C.

Less

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MCQ 141 Mark

What do you call a measure of dispersion which measures the spread of a data in the same units as that of the variable ?

✓
Absolute measure
B
Relative measure
C
Constant measure
D
Disadvantageous measure

Answer

Correct option: A.

Absolute measure

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MCQ 151 Mark

What is the name of a measure showing distance of the observations of a data from its central tendency measure ?

A
Average
✓
Dispersion
C
Skewness
D
Coefficient of skewness

Answer

Correct option: B.

Dispersion

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Statistics MCQ

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