Question # 1

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Φ²

q²

α²

β²

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

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Variable

Attribute

Associated

Independent

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

C= ------------------------------

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(α) = (αB) + ------------------

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(Aβ)

(AB)

(αβ)

(A)

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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independent

positively associated

negatively associated

correlated

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

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adjusted

omitted

changed

all of these

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

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Positively

Negatively

Zero

Symmetrical

Chi-square curve ranges from:

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-∞ to +∞

0 to ∞

-∞ to 0

0 to 1

The degree of relationship between the two attributes is called_______.

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Association

Correlation

Contingency

Quantitative

If (AB) = (A)(B)/n, the two attributes. A and B are _________.

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Independent

Dependent

Correlated

Quantitative

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

The two attributes A and B are negatively associated if

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The shape of the chi-square distribution depends upon_________.

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Parameters

Number of cells

Degrees of freedom

Standard deviation

Degree of linear relationship between two variables is called

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regression

association

correlation

disassociation

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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