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Measures of Dispersion
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Measures of Dispersion
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Measures of Dispersion
Which measure of dispersion has a different unit other than the unit of measurement of values:
Range
Standard deviation
Variance
Mean deviation
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Measures of Dispersion
The variance is zero only if all observations are the:
Different
Square
Square root
Same
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Measures of Dispersion
If the dispersion is small, the standard deviation is:
Large
Zero
Small
Negative
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Measures of Dispersion
Standard deviation is always:
Negative
Positive
Zero
None of the above
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Measures of Dispersion
Which of the following is a unit free quantity:
Range
Standard deviation
Coefficient of variation
Arithmetic mean
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Measures of Dispersion
The mean deviation of the scores 12, 15, 18 is:
6
0
3
2
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Measures of Dispersion
The measure of dispersion which uses only two observations is called___________-
Mean
Median
Range
Coefficient of variation
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rikazzz
Comment
Measures of Dispersion
If Q3=20 and Q1=10, the coefficient of quartile deviation is:
3
1/3
2/3
1
Author:
rikazzz
Comment
Measures of Dispersion
The measurements of spread or scatter of the individual values around the central point is called:
Measures of dispersion
Measures of central tendency
Measures of skewness
Measures of kurtosis
Author:
rikazzz
Comment
Measures of Dispersion
If the difference of the third and first quartile is divided by the sum of the third and first quartile then it isknown as:
Quartile
Coefficient of mean deviation
Coefficient of quartile deviation
None of the above
Author:
rikazzz
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