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Measures Of Dispersion
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Measures Of Dispersion
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Measures Of Dispersion
If the arithmetic mean is 78 and coefficient of variation is 12.3% then the standard deviation is
10.594
9.594
8.59
11
Author:
rikazzz
Comment
Measures Of Dispersion
Considering the standard deviation, the mean absolute deviation is equal to
5⁄4σ
5⁄8σ
4⁄5σ
7⁄8σ
Author:
rikazzz
Comment
Measures Of Dispersion
If the set of observations is 11, 13, 15, 12, 16, 18, 19, 14, 20, 17 and absolute mean deviation is 12 then the percentage of coefficient of mean absolute deviation is
47.41%
57.41%
67.41%
77.41%
Author:
rikazzz
Comment
Measures Of Dispersion
The numbers or values that are considered independent of measurement units are called
coefficient
uniformity
variation
exploration
Author:
rikazzz
Comment
Measures Of Dispersion
If the large number of values lies in the central part of data table then the spread of values is measured by
percentile range
inter quartile range
quartile range
deciles range
Author:
rikazzz
Comment
Measures Of Dispersion
The number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is
5
20
4
15
Author:
rikazzz
Comment
Measures Of Dispersion
If the calculated value of total sum of squares in sample variance is larger than the variation in data set is considered as
smaller
greater
zero
negative
Author:
rikazzz
Comment
Measures Of Dispersion
The theorem which states least percentage of values that fall within z-standard deviations is classified as
Chebyshev’s Theorem
sampling theorem
Pearson Theorem
population theorem
Author:
rikazzz
Comment
Measures Of Dispersion
The formula written as quartile deviation divided by sum of third and first quartile is used to calculate
coefficient of quartile deviation
coefficient of quartiles
coefficient of inter quartiles
coefficient of central tendency
Author:
rikazzz
Comment
Measures Of Dispersion
In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with respective frequencies of each class as 3, 5, 4, 3 then the range is
5
6
15
20
Author:
rikazzz
Comment
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