Question # 1

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

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Bichotomy

Trichotomy

Dichotomy

Multichotomy

If any ultimate class frequency is negative the data will be

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inconsistent

consistent

correlated

composite

The value of chi-square statistic is always _______.

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Negative

Non-negative

Zero

One

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

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Variable

Attribute

Associated

Independent

The total area under the curve of chi-square distribution is_______.

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1

0.5

0 to ∞

-∞ to +∞

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6Σd₁

5Σd¹

Chi-square curve ranges from:

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-∞ to +∞

0 to ∞

-∞ to 0

0 to 1

(AB), (Aβ), (αB), (αβ) are called

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positive class frequencies

negative class frequencies

natural class frequencies

ultimate class frequencies

The two attributes A and B are ________associated, If (AB) < (A)(B)/n.

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Positively

Negatively

Zero

Symmetrical

The two attributes A and B are negatively associated if

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The two attribute A and B are positively associated, if _________.

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(AB) = (A)(B)/n

(AB) < (A)(B)/n

(AB) ≠ (A)(B)/n

(AB) > (A)(B)/n

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)

A characteristic which varies in quantity from one individual to another is called a________.

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Association

Correlation

Variable

Attribute

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independent

positively associated

negatively associated

correlated

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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Φ²

q²

α²

β²

When the expected frequencies are very small the value of=χ2has been

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adjusted

omitted

changed

all of these

n = (A) + --------------------

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(B)

(α)

(β)

(A)

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