Measures of Dispersion Test

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Measures of Dispersion Test - 13

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Weekly Quiz Competition

Question 1
1 / -0

Which measure of dispersion is the quickest to compute?

A
Standard deviation

B
Quartile deviation

C
Mean deviation

D
Range
Question 2
1 / -0

If all the observations are increased by $$10$$, then

A
SD would be increased by $$10$$

B
Mean deviation would be increased by $$10$$

C
Both (A) and (B)

D
None of above
Question 3
1 / -0

Find the mean and standard deviation of the following observations:
$$X = 2, 5, 7, 8, 13$$.

A
$$7$$ and $$3.63$$

B
$$3.63$$ and $$7$$

C
$$7.63$$ and $$3$$

D
$$3$$ and $$7.63$$
Question 4
1 / -0

The geometric mean of $$3,7,11,15,24,28,30,0$$ is

A
$$6$$

B
$$0$$

C
$$8$$

D
$$9$$
Question 5
1 / -0

A frequency distribution having two modes is said to be ________.

A
unimodal

B
bimodal

C
trimodal

D
without mode
Question 6
1 / -0

Geometric mean of two observations can be calculated only if ________.

A
both the observations are positive

B
one of the two observations is zero

C
one of them is negative

D
both of them are zero
Question 7
1 / -0

If the two observations are $$10$$ and $$0$$ then their geometric mean is ______.

A
$$10$$

B
$$0$$

C
$$5$$

D
$$8$$
Question 8
1 / -0

Which of the measure of central tendency is not affected by extreme values?

A
Mode

B
Median

C
Sixth decile

D
All the above
Question 9
1 / -0

Shoe size of most of the people in a city is $$No.7$$. Which measure of central value does it represent?

A
Mean

B
Median

C
Eighth decile

D
Mode
Question 10
1 / -0

When all the observations are same, the relation between A.M., G.M and H.M is _________.

A
A.M. = G.M. = H.M.

B
A.M. = G.M. > H.M.

C
A.M. > G.M. > H.M.

D
A.M. < G.M. < H.M.

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Re-Attempt Weekly Quiz Competition

Measures of Dispersion Test - 13

Result

Measures of Dispersion Test - 13

Score

-

Rank

-

SHARING IS CARING

Question 1

Standard deviation

Quartile deviation

Mean deviation

Range

Question 2

SD would be increased by $$10$$

Mean deviation would be increased by $$10$$

Both (A) and (B)

None of above

Question 3

$$7$$ and $$3.63$$

$$3.63$$ and $$7$$

$$7.63$$ and $$3$$

$$3$$ and $$7.63$$

Question 4

$$6$$

$$0$$

$$8$$

$$9$$

Question 5

unimodal

bimodal

trimodal

without mode

Question 6

both the observations are positive

one of the two observations is zero

one of them is negative

both of them are zero

Question 7

$$10$$

$$0$$

$$5$$

$$8$$

Question 8

Mode

Median

Sixth decile

All the above

Question 9

Mean

Median

Eighth decile

Mode

Question 10

A.M. = G.M. = H.M.

A.M. = G.M. > H.M.

A.M. > G.M. > H.M.

A.M. < G.M. < H.M.

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