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Online Tests
Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
A copntinuous probability distribution may be represented by.
Choose an answer
A table
a graph
A mathmethical equation
Botha b and c
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Question # 2
A relative frequency distribution presents frequencies in terms of
Choose an answer
Fractions
Whole numbers
Percentages
Both a and c but not b
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Question # 3
Probability of an impossible event is
Choose an answer
Zero
Negative
Positive
One
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Question # 4
The median divides the data into------------ equal parts
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One
Two
Three
Four
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Question # 5
Pearson's co-efficient of skewness is positive when distribution is
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Negatively skewed
Positively skewed
Symmetrical
Leptokurtic
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Question # 6
The mean is based on.
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Small values
Extreme values
All the values
Large values
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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
Binomial distribution is positively skewed
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P < 1/2
P > 1/2
P = 1/2
P < q <
1
/
2
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Question # 9
Primary data are same:
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Group
Ungroup
Random
None of these
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Question # 10
The volume or quantity of goods are compared by
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Price index numbers
Relative index numbers
Volume index numbers
Paasche's index
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Question # 11
First central moment is always.
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0
1
-1
2
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Question # 12
the standard deviation is independent of.
Choose an answer
Change of origin
Change of scale of measurement
Change origin and scale of meaturement
None of these
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Question # 13
The variance of binomial distribution is
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np
nq
npq
pq
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Question # 14
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 # 15
Statistical laws are true.
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On the average
Always
A and C
In the long run
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Question # 16
The probability of success ------------ from one trial to another when trials are dependent
Choose an answer
Remains constant
Is changed
One
Zero
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Question # 17
The weights used in a quantity index are
Choose an answer
Percentage of total quantity
Prices
Average of quantities
None of these
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Question # 18
Coefficient of variation (C.V) is given below
Choose an answer
Mean /S.D x10
Mean/S.D x 100
S.D/Mean x 100
S.D/ Mean
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