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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
The probability of failure is equal to.
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p
1 - q
P - 1
1 - P
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Question # 2
If n is the number of elements of a set. the total numebr of subsects of this set in
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2n
n2
2
n
n
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Question # 3
When X denotes the number of success in binomial experiment, it is called.
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Random variable
Binomial random variable
Continuous random variable
Both (B) and (C) but not (A)
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Question # 4
If an event consist of more than one sample point it is called
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Simple event
Compound event
Exhaustive event
Likely event
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Question # 5
A fair aid is rolled, the sample space consists of:
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2 outcomes
6 outcomes
36 outcomes
None of these
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Question # 6
The sum of the deviation form mean of a set of an value is
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least
0
positive
None of these
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Question # 7
Var (KY) = ......................
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KY
K
2
Var(Y)
K
2
Var (Y)
None of these
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Question # 8
Paasche's index number is:
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Simple index number
Weighted index number
Un-weighted index number
Composite index number
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Question # 9
The probability of drawing a king of spade from a pack of 52 cards is.
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1/4
1/13
1/26
1/52
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Question # 10
Var (3x+2)
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3Var(x) + 2
9Var(x) +2
Var (x) + 0
3Var (X)
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Question # 11
The numebr of ways in whihc four books can be arranged on a shelf is.
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4
6
24
12
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Question # 12
In fixed base method, the base period should be.
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Far away
Normal
Un reliable
Abnormal
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Question # 13
The standard deviation of a binomial distribution depends on.
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Probability of success
Probabiliyt of failure
Number of trials
Both a and c
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Question # 14
Why is it necessary to square the difference from the mean when computing the standard deviation.
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So that the extreme values will not affect the calculation
Some of the differnece will be positive and some will e negative
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 # 15
Data used by an agency which orginally collected them are.
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Primary data
Raw data
Secondary data
Grouped data
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Question # 16
Which is appropriate averege for finding the average speed of a journey.
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Mean
Geometric mean
Harmonic mean
Weighted mean
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Question # 17
the term 'event' is used for.
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Time
Subaet of the sample space
Total number of outcomes
Probability
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Question # 18
The probability of drawan any one spade card is.
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1/32
1/18
1/4
4/13
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