Measures of Dispersion Test

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Measures of Dispersion Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

Lorenz Curve uses which of the following?

A
Class upper limits

B
Class lower limits

C
Class mid points

D
None of these
Question 2
1 / -0

Line joining Co-ordinate (0, 0) with (100,100) is called _______.

A
Lorenz Curve

B
Line of equal distribution

C
Both A and B

D
None
Question 3
1 / -0

When it comes to comparing two or more distributions we consider.

A
Absolute measures of dispersion

B
Relative measures of dispersion

C
Both (A) and (B)

D
Either (A) or (B)
Question 4
1 / -0

$$Rs. 2,000$$ is invested at annual rate of interest of $$10$$%. What is the amount after two years if compounding is done monthly?

A
$$2,420$$

B
$$2,431$$

C
$$2,436.80$$

D
$$2,440.58$$

Solution

For monthly compounding
$$n = 12\times 2 = 24, i = 0.1/12 = 0.00833$$
$$A_{24} = 2000 (1 + 0.00833)^{24}$$
$$= 2,000\times 1.22029$$
$$= Rs. 2,440.58$$.
Question 5
1 / -0

What percentage of value is less than $$4th$$ decile?

A
$$50\%$$

B
$$70\%$$

C
$$40\%$$

D
None of the above
Question 6
1 / -0

What percentage of value is greater than $$3^{rd}$$ quartile?

A
$$75$$ per cent

B
$$50$$ per cent

C
$$25$$ per cent

D
$$0$$ per cent
Question 7
1 / -0

Mean is a measure of _______.

A
location (central value)

B
dispersion

C
correlation

D
none of the above
Question 8
1 / -0

The median of the following observations is
$$10, 8, -9, -12, 15, 0, 23, -3, -2, 13, -24, 28, 35, 42$$

A
$$4$$

B
$$-2$$

C
$$7$$

D
$$-9.75$$
Question 9
1 / -0

What is the standard deviation of $$5, 5, 9, 9, 9, 10, 5, 10, 10$$?

A
$$2.29$$

B
$$6.48$$

C
$$4.50$$

D
$$8.00$$
Question 10
1 / -0

If a constant $$25$$ is added to each observation of a set, the mean is _____.

A
increased by $$25$$

B
decreased by $$25$$

C
$$25$$ times the original mean

D
not affected

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Re-Attempt Weekly Quiz Competition

Measures of Dispersion Test - 12

Result

Measures of Dispersion Test - 12

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SHARING IS CARING

Question 1

Class upper limits

Class lower limits

Class mid points

None of these

Question 2

Lorenz Curve

Line of equal distribution

Both A and B

None

Question 3

Absolute measures of dispersion

Relative measures of dispersion

Both (A) and (B)

Either (A) or (B)

Question 4

$$2,420$$

$$2,431$$

$$2,436.80$$

$$2,440.58$$

Solution

Question 5

$$50\%$$

$$70\%$$

$$40\%$$

None of the above

Question 6

$$75$$ per cent

$$50$$ per cent

$$25$$ per cent

$$0$$ per cent

Question 7

location (central value)

dispersion

correlation

none of the above

Question 8

$$4$$

$$-2$$

$$7$$

$$-9.75$$

Question 9

$$2.29$$

$$6.48$$

$$4.50$$

$$8.00$$

Question 10

increased by $$25$$

decreased by $$25$$

$$25$$ times the original mean

not affected

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