| 1 |
The two attribute A and B are positively associated, if _________. |
- A. (AB) = (A)(B)/n
- B. (AB) < (A)(B)/n
- C. (AB) ≠ (A)(B)/n
- D. (AB) > (A)(B)/n
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| 2 |
The degree of relationship between the two attributes is called |
- A. regressor
- B. correlation
- C. regressand
- D. association
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| 3 |
A characteristic which varies in quality form one individual to another is called |
- A. variable
- B. constant
- C. attribute
- D. none of these
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| 4 |
The process of dividing the objects into two mutually exclusive classes is called_______ |
- A. Bichotomy
- B. Trichotomy
- C. Dichotomy
- D. Multichotomy
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| 5 |
The sample size n is reasonably large so that for each cell, the estimated expected frequency must be at least |
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| 6 |
The value of chi-square statistic is always _______. |
- A. Negative
- B. Non-negative
- C. Zero
- D. One
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| 7 |
If 6Σd<sup>2</sup>/n(n<sup>2</sup> - 1) is zero, the value of r<sub>s</sub> is ________. |
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| 8 |
(AB), (Aβ), (αB), (αβ) are called |
- A. positive class frequencies
- B. negative class frequencies
- C. natural class frequencies
- D. ultimate class frequencies
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| 9 |
The degree of linear relationship between two variable is called________. |
- A. Dependent
- B. Association
- C. Positive
- D. Correlation
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| 10 |
n = (A) + -------------------- |
- A. (B)
- B. (α)
- C. (β)
- D. (A)
|