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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
Two methods of data arrangement are
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Array and frequency distribution
Frequency distribution and histogram
Array and frequency polygon
Histogram and array
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Question # 2
Statistical laws are true.
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On the average
Always
A and C
In the long run
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Question # 3
Where 'a' is any constant.
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a
1
+a
2
+ a
3
+................
na
n
1
x
1
+ a
2
x
2
+..............
Σna
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Question # 4
If Laspeyre's index numebr is 200, Paasche's index numebr is 200 , then Fisher's index numebr is.
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100
200
Zero
1000
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Question # 5
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 # 6
Is the tossing of two perfect coins the probability at least one head occur is.
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1/4
1
1/2
3/4
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Question # 7
the collection of all possible outcome of a random experimnet is called.
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Sample point
Sure event
sample event
simple event
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Question # 8
If x is a random variable with E(x) = 5 then E (3x - 2) =
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0
1
13
15
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Question # 9
In measure of relative dispersion unit of measurement is.
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Changed
Vanishes
Does not vanishes
None of these
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Question # 10
The expected value of a discrete random variable is.
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Always an integer
Always one of the values that the random variable can assume
An interal of values
None of these
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Question # 11
The mean of a constant 'a' is
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0
a/2
a
2
None of these
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Question # 12
Random numbers can be generated mechanically by
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By use of digital computers
Probgrammable calculators
Ordinary calculators
Both a and b
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Question # 13
In hyper geometric distribution n is.
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Changed
Zero
Fixed
variable
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Question # 14
In fixed base method, the base period should be.
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Far away
Normal
Un reliable
Abnormal
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Question # 15
An index that measures the change for a fixed time period is called.
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Chain base method
Fixed base method
Simple aggregative method
Cost of living method
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Question # 16
P(A or B) = P (A∪B) = P(A) +P(B) then A and B are.
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Mutually exclusive
Independent events
Not mutually exclusive
Dependent
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Question # 17
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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Question # 18
Which is the followig measures cannot be calculated for the numbers 5,8, 12,6, 9, 13, 10
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Median
Mean
Mode
None of these
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