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Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
For symmetrical distribution mega 3 is.
Choose an answer
zero
1
2
3
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Question # 2
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 # 3
The positive square root of the mean of the squares of deviations of values from their mean is
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Variance
Covariance
Standard deviation
Standard error
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Question # 4
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 # 5
Mean deviation is always.
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Less then S.D
Equal to S.D
More than S.D
Negative
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Question # 6
The value of standard deviation changes by change of.
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Origin
Algebraic sign
Scale
None
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Question # 7
β
1
is a quantity
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Dimensional
Dimension less
Positive
Negative
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Question # 8
Co-efficent of standard deviation can be measured by the following formula
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Question # 9
Range can be calculated in open-end classes.
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Never
Always
Often
Seldom
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Question # 10
The value of quartile deviation is always
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Positive
Zero
Negative
None of these
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Question # 11
In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.
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4
6
8
zero
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Question # 12
the standard deviation is independent of.
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Change of origin
Change of scale of measurement
Change origin and scale of meaturement
None of these
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Question # 13
Quartile Co-efficient of skewness is also called as
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Median co-efficent of skewness
Pearson's 1st co-efficient of skewness
Pearson's 2nd co-efficient of skewness
None of these
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Question # 14
test2
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3
4
2
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Question # 15
For Laptokurtic distribution.
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b2 > 3
b2 < 3
b2 = 3
b1 > 3
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Question # 16
The compare the variation of two or more than two sereies, we use.
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Mean absolute deviation
Variance
Coefficient of viariation
Corrected atandard deviation
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Question # 17
M.D. of the values 4,4,4,4 is
Choose an answer
0
4
8
12
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Question # 18
If Mean = 25 and S
2
=25 the C.V is
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100%
25%
20%
None of these
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