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Online Tests
Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
Range can be calculated in open-end classes.
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Never
Always
Often
Seldom
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Question # 2
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 # 3
Mean deviation = S.D
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2/3
4/5
5/6
6/5
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Question # 4
The value of quartile deviation is always
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Positive
Zero
Negative
None of these
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Question # 5
If Q3 = 20 and Q1 = 10 the coefficient of quartile deviation is.
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3
1/3
2/3
1
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Question # 6
Co-efficent of quartile deviation can be calculated by the following formula
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Question # 7
The sum of squares of deviations is a minimum if these deviations are taken from the.
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Mean
Mode
Median
All of these
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Question # 8
For symmetrical distributions the values of co-efficent of skewness is
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Negative Number
Positive Number
Imaginary Number
Pure Number
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Question # 9
A disadvantage of range is that it is based on.
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Absolute deviation
Square deviation
Two extreme observation
Upper and quartile
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Question # 10
The sum of absolute deviations is a minimum if these deviations are taken from the
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Mean
Mode
Median
All of these
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Question # 11
If the third moment about mean is zero ( m3 = 0) , then the distribution is.
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Mesokurtic
Positively skewed
Symmetrical
Negatively skewed
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Question # 12
The mean deviation is least if deviations are taken from
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A.M
Mode
G.M
Median
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Question # 13
The variance of 4,4,4,4,4 is.
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-4
(4)
2
8
0
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