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

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)

If 6Σd²/n(n² - 1) is zero, the value of r_s is ________.

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0.5

1

-1

0

A characteristic which varies in quality from one individual to another is called an_______.

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Variable

Attribute

Associated

Independent

The degree of relationship between the two attributes is called_______.

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Association

Correlation

Contingency

Quantitative

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)

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

A process of dividing the objects into two mutually exclusive classes of an attribute is called

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classification

trichotomy

dichotomy

association

The degree of linear relationship between two variable is called________.

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Dependent

Association

Positive

Correlation

The process of dividing the objects into two mutually exclusive classes is called_______

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Bichotomy

Trichotomy

Dichotomy

Multichotomy

If two attributes A and B are independent, then co-efficient of association is______.

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-1

+1

0

0.5

(α) = (αB) + ------------------

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(Aβ)

(AB)

(αβ)

(A)

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6Σd₁

5Σd¹

A characteristic which varies in quality form one individual to another is called

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variable

constant

attribute

none of these

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

Degree of linear relationship between two variables is called

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regression

association

correlation

disassociation

(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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Statistics Ics Part 2 Chapter 6 Online Test MCQs With Answers

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