| 1 |
The degree of relationship between the two attributes is called |
- A. regressor
- B. correlation
- C. regressand
- D. association
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| 2 |
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
|
| 3 |
The critical region of=χ2distribution is |
- A. χ2 <χ2v; 1-α
- B. χ2 <χ2v;1-α
- C. χ2 <χ2 v;1-α/2
- D. χ2 <χ2v;1-α/2
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| 4 |
The total area under the curve of chi-square distribution is_______. |
- A. 1
- B. 0.5
- C. 0 to ∞
- D. -∞ to +∞
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| 5 |
If 6Σd<sup>2</sup>/n(n<sup>2</sup> - 1) is zero, the value of r<sub>s</sub> is ________. |
|
| 6 |
|
- A. independent
- B. positively associated
- C. negatively associated
- D. correlated
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| 7 |
|
- A. 6Σd<sub>1</sub>
- B. 5Σd<sup>1</sup>
- C. <br>
- D.
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| 8 |
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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| 9 |
The two attributes A and B are negatively associated if |
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| 10 |
For an r x c contingency table, the number of degrees of freedom are equal to: |
- A. rc
- B. r + c
- C. (r-1)+(c-1)
- D. (r-1)(c-1)
|