Measures of Dispersion Test

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Measures of Dispersion Test - 39

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Weekly Quiz Competition

Question 1
1 / -0

Inter-Quartile Range is based upon ________.

A
First 50% of the values

B
middle 50% of the values

C
Last 50 % of the values

D
25% of the values
Question 2
1 / -0

In a frequency distribution, Range is the difference between _________ and __________

A
upper limit of the highest class, the lower limit of the lowest class

B
lower limit of the highest class, the upper limit of the lowest class

C
A or B

D
None of the above
Question 3
1 / -0

A graphical measure called ________ is available for estimating dispersion.

A
Lorenz Curve

B
Bar diagram

C
Histogram

D
None of these
Question 4
1 / -0

Which of the following is another term for quartile division?

A
Inter quartile range

B
Semi Inter Quartile Range

C
Inter Quartile Deviation

D
None of these
Question 5
1 / -0

Which of the following is true?

A
Lorenz Curve uses the information expressed in a cumulative manner to indicate the degree of variability

B
Lorenz Curve is specially useful in comparing the variability of two or more distributions.

C
Both A and B

D
None of these
Question 6
1 / -0

Which of the following are Methods of calculating Standard Deviation?

A
Actual Mean Method

B
Assumed Mean Method

C
Step-Deviation Method

D
All of these
Question 7
1 / -0

If the mean and standard deviation of a normal distribution are $$33$$ and $$5$$ respectively, what is the Inter-quartile range?

A
$$(6.67)$$

B
$$(8)$$

C
$$(7.74)$$

D
$$(6.8)$$
Question 8
1 / -0

The standard deviation of a frequency distribution is 3.24 find the variance:

A
9.25

B
6.25

C
9.91

D
10.49
Question 9
1 / -0

For a distribution, coefficient of variation is 22.5% and mean is 7.5 find the standard deviation___.

A
1.9975

B
1.6875

C
1.243

D
1.0943
Question 10
1 / -0

X and Y are so related that $$2x+y-18 = 0$$ and mean deviation about mean of x is $$3.5$$ find mean deviation about mean with respect of y____.

A
$$6.07$$

B
$$6.71$$

C
$$7.00$$

D
$$6.01$$

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Re-Attempt Weekly Quiz Competition

Measures of Dispersion Test - 39

Result

Measures of Dispersion Test - 39

Score

-

Rank

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SHARING IS CARING

Question 1

First 50% of the values

middle 50% of the values

Last 50 % of the values

25% of the values

Question 2

upper limit of the highest class, the lower limit of the lowest class

lower limit of the highest class, the upper limit of the lowest class

A or B

None of the above

Question 3

Lorenz Curve

Bar diagram

Histogram

None of these

Question 4

Inter quartile range

Semi Inter Quartile Range

Inter Quartile Deviation

None of these

Question 5

Lorenz Curve uses the information expressed in a cumulative manner to indicate the degree of variability

Lorenz Curve is specially useful in comparing the variability of two or more distributions.

Both A and B

None of these

Question 6

Actual Mean Method

Assumed Mean Method

Step-Deviation Method

All of these

Question 7

$$(6.67)$$

$$(8)$$

$$(7.74)$$

$$(6.8)$$

Question 8

9.25

6.25

9.91

10.49

Question 9

1.9975

1.6875

1.243

1.0943

Question 10

$$6.07$$

$$6.71$$

$$7.00$$

$$6.01$$

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