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Statistics Ics Part 2 Chapter 6 Online Test MCQs With Answers
Question # 1
The value of coefficient of association lies between
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0 and + 1
-1 and + 1
-1 and 0
-0.5 and + 0.5
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Question # 2
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 # 3
If 6Σd
2
/n(n
2
- 1) is zero, the value of r
s
is ________.
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0.5
1
-1
0
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Question # 4
A characteristic which varies in quality from one individual to another is called an_______.
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Variable
Attribute
Associated
Independent
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Question # 5
The degree of relationship between the two attributes is called_______.
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Association
Correlation
Contingency
Quantitative
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Question # 6
If two attributes A and B have perfect positive association value of the coefficient of association is equal to _______.
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+1
-1
0
(r-1)(c-1)
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Question # 7
The sample size n is reasonably large so that for each cell, the estimated expected frequency must be at least
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2
3
4
5
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Question # 8
A process of dividing the objects into two mutually exclusive classes of an attribute is called
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classification
trichotomy
dichotomy
association
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Question # 9
The degree of linear relationship between two variable is called________.
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Dependent
Association
Positive
Correlation
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Question # 10
The process of dividing the objects into two mutually exclusive classes is called_______
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Bichotomy
Trichotomy
Dichotomy
Multichotomy
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Question # 11
If two attributes A and B are independent, then co-efficient of association is______.
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-1
+1
0
0.5
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Question # 12
(α) = (αB) + ------------------
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(Aβ)
(AB)
(αβ)
(A)
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Question # 13
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6Σd
1
5Σd
1
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Question # 14
A characteristic which varies in quality form one individual to another is called
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variable
constant
attribute
none of these
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Question # 15
The critical region of=χ2distribution is
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χ2 <χ2v; 1-α
χ2 <χ2v;1-α
χ2 <χ2 v;1-α/2
χ2 <χ2v;1-α/2
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Question # 16
Degree of linear relationship between two variables is called
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regression
association
correlation
disassociation
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Question # 17
(AB), (Aβ), (αB), (αβ) are called
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positive class frequencies
negative class frequencies
natural class frequencies
ultimate class frequencies
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