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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
Continuous data are differentitated from discrete data in that
Choose an answer
Discrete data classes are represnted by fractions
Continuous data classes may be represented by fractions
Continous data take on only whole numebrs
Discrete data can take on any real number
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Question # 2
A hypergometric random variable is a (an)
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Independent variable
Continuous random variable
Discrete random variable
None of these
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Question # 3
Which of the following is true for binomial distribution
Choose an answer
Mean > variance
Mean < variance
Mean = variance
Mean + standard deviation
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Question # 4
Laspeyres index number is also called as:
Choose an answer
Base year weight index number
Current year weight index number
Ideal index number
Fisher index number
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Question # 5
The volume or quantity of goods are compared by
Choose an answer
Price index numbers
Relative index numbers
Volume index numbers
Paasche's index
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Question # 6
A binomial random variable can assume the values
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1,2......n
0,1,2......00
0,1,2......n
2,4,6,8,10
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Question # 7
An experiment which produced different outcomes even if it is repeated a large number of times, under similar conditions is called
Choose an answer
Event
Compound event
Random experiment
None of these
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Question # 8
If p = q = 1/2 then distribution is called.
Choose an answer
Postively
Skewed
Symmetrical
Negatively
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Question # 9
For negatively skewed distribution mean______ median ______mode.
Choose an answer
=
<
>
None to these
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Question # 10
Quartile Co-efficient of skewness is also called as
Choose an answer
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 # 11
4
C
5
= ....................
Choose an answer
5
1/5
0
None of these
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Question # 12
The mean of the first n natural numbers is.
Choose an answer
n(n+1)2
(n+1)/2
(n-1)/2
n/2
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Question # 13
Which of the following measures of dispersion is independent of the units employed.
Choose an answer
Standard deviation
Quartile deviation
Coefficient of variation
Variance
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Question # 14
In binomial distribution, the random variable has a range:
Choose an answer
0,1,2...................n
0,1,2,......+∞
-∞ to +∞
∞ to +0
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Question # 15
For an open and distribution, without assuming certain limits it is not possible to find:
Choose an answer
A.M
G.M
Median
Boat A and B
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Question # 16
50
th
percentile is also called as
Choose an answer
Mean
Mode
Average
Median
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Question # 17
The process of systematic arrangement of data into rows and columns is called.
Choose an answer
Classification
Tabulation
Bar chart
Pie chart
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Question # 18
If X and Y are independent random variables , the E (XY) is equal to.
Choose an answer
E(XY)
E(X) E(Y)
XE(Y)
YE(X)
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