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Online Tests
Statistics Ics Part 2 Online Test MCQs With Answers
Question # 1
The difference of the true value of population parameter and corresponding value of sample statistic is called
Choose an answer
non-sampling error
sampling error
random error
none of these
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Question # 2
The equation of the quadratic (parabolic) trend is
Choose an answer
ŷ=a+bx
ŷ=a+by
ŷ=a+bΣx+cΣx
2
ŷ=a+bx+cx
2
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Question # 3
Confidence intervals which are often used in practice are
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90%
95%
98%
all of these
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Question # 4
The most common measurement unit for describing a computer's memory is
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bits
mega bytes
bytes
kilobytes
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Question # 5
For an r x c contingency table, the number of degrees of freedom are equal to:
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rc
r + c
(r-1)+(c-1)
(r-1)(c-1)
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Question # 6
Total probability under the normal curve is
Choose an answer
1
0
-1
∞
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Question # 7
Which one is called as a set of electronic instructions ?
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hardware
software
hardcopy
softcopy
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Question # 8
Which hypothesis is always in an inequality form?
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Simple hypothesis
Alternative hypothesis
Null hypothesis
Composite hypothesis
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Question # 9
Level of significance is denoted by
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2 - α
3 - α
α
1 - α
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Question # 10
The secular trend is measured by the method of semi-averages when
Choose an answer
time series contains yearly values
trend is linear
time series contains odd number of values
none of these
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Question # 11
n = (A) + --------------------
Choose an answer
(B)
(α)
(β)
(A)
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Question # 12
A process of dividing the objects into two mutually exclusive classes of an attribute is called
Choose an answer
classification
trichotomy
dichotomy
association
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Question # 13
Sample is a sub-set of ________.
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Population
Data
Set
Distribution
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Question # 14
The moment Coefficient of kurtosis is
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β
1
β
2
Zero
m
2
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Question # 15
A sample is usually selected by_______.
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With
Without
Finite
Infinite
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Question # 16
Points of inflexion of normal curve are at
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μ and σ
x=μ-σ and x=μ+σ
μ and 2σ
μ = o
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Question # 17
Which output is permanent ?
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hard copy
real copy
soft copy
none of these
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Question # 18
The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called
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equation
relation
ratio
regression
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