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Online Tests
Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
The main advantages of using the range as a measure of dispersion is that.
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It is easy to calculate
It is heavily influenced by extreme values.
It can change drastically from one data set to the next
It is determined by only two points in the data set
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Question # 2
Which is a poor measure of dispersion in open-end distribution.
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Range
Standard deviation
Variance
A.M
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Question # 3
The most popular measure of dispersion in industry and meteorology is.
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Range
Quartile deviation
Mean deviation
Standard deviation
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Question # 4
In a skewed distribution the three averages man, median & mode are.
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identical
different
0
equal 1
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Question # 5
If b
2
= 3, then the distribution is:
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leptokurtic
Platykurtic
Normal
None of these
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Question # 6
Mean deviationis always.
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More than S.D.
Equal to S.D.
Less than S.D.
None of these
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Question # 7
The mean deviation can never be
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Positive
Negative
Zero
None of these
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Question # 8
Which measure of disperesion is considered as the best genereal purpose measure of dispersion.
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Range
Semi interquartile range
Standard deviation
Mean deviation
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Question # 9
The variance expresses the variability of data in ................ as unit of data.
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Square of unit
Squaare root of unit
Same unit
All of these
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Question # 10
The measures of disperesin are chaged by the change of.
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Origin
Scale
Both a and b
None of these
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Question # 11
Which of the following is a relatie measure of dispersion.
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Standard deviation
Variance
Coefficient of variation
All of these
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Question # 12
The S.D. of 8,8,8,8,8, is.
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8
(8)
2
zero
5
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Question # 13
Range can be calculated in open-end classes.
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Never
Always
Often
Seldom
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