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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
Choose an answer
8
0
1/8
3
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Question # 2
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to
Choose an answer
Var (X) - var (Y)
Var (X) + Var (Y)
E(X-Y)2
E(X + Y)2
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Question # 3
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 # 4
"P
r
can be solved by the formula.
Choose an answer
N!/ r!(n-r)!
(n-r)!/r!
n!(n-r!)
n!(n-r)!/r!
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Question # 5
When all the commodities are not of equal importance, the index numbers are called.
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Simple
Weighted
Value
Un weighted
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Question # 6
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 # 7
When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
Choose an answer
Binomial
Hypergeometric
Both Binomial & hypergeometric
None of these
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Question # 8
The index number given by formula Σp
n
q
n
/Σp
n
q
n
x100 is:
Choose an answer
Laspeyres index
The paasche's index
The value index
None of these
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Question # 9
Issuing a national identity card is an example of.
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Census
Registration
Sampling
Investigatin through enumerators
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Question # 10
The smallest and the largest value of data are called.
Choose an answer
Range
Mid point
Extreme value
Arrayed value
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Question # 11
A
P
3
is equal to.
Choose an answer
3!
4!
5!
6!
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Question # 12
A fair die is rolled three times. The probability of getting three "aces" is
Choose an answer
1/3
1/6
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Question # 13
Two methods of data arrangement are
Choose an answer
Array and frequency distribution
Frequency distribution and histogram
Array and frequency polygon
Histogram and array
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Question # 14
The data which have already been collected by some one are called.
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Secondary data
Primary data
Arrayed data
None of these
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Question # 15
The simplest form of the continuous distribution is the.
Choose an answer
Skewed distribution
Kurtic distribution
Binomial distribution
Uniform distribution
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Question # 16
For a given binomial distribution with a fixed,if p < 0.5 , than
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The binomial distribution will be skewed to the left.
The binomial distribution will be skewed to the right
The binomial distributio iwll be symmetric
None of these
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Question # 17
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 # 18
The mean of binomial distribution is always:
Choose an answer
Equal to variance
Less than variance
Greater then variance
None of the these
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