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NAT I General Science Statistics MCQs With Answers
Question # 1
For r x c contingency table the number if degrees of freedom equals
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(r - 1) + ( c -1)
(r -1) (c - 1)
1
(r x c) -1
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Question # 2
The sum of values divided by their numbers is called
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Mode
Median
Mean
G.M
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Question # 3
An arrangement of data to show the frequency of occurrence is called
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Frequency distribution
Probability distribution
Data array
Cumulative distribution
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Question # 4
A characteristic which varies in quality from one individual to another is called
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Variable
Statistic
Attributes
Regression
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Question # 5
If 'c' is a non-random variable then E(c) is:
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Zero
C
Two
None of these
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Question # 6
Current year quantities are used as weight in
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Laspeyr's index number
Paasche's index number
Fisher's index number
None of these
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Question # 7
Given N = 5 and n = 3 in simple random sampling with replacement how many possible samples are there?
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10
125
60
15
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Question # 8
How many purpose are served by index numbers?
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2
3
4
5
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Question # 9
In a normal distribution S
2
= 5 them m
4
is
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25
75
0
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Question # 10
Normal distribution is
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Lepto kurtic
Platy kutic
Meso kuritc
None of these
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Question # 11
In chain base method,the base period is:
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Fixed
Changed
Constant
None of these
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