| 1 |
The estimates of the parameters=α and=β are |
- A. μ and=σ2
- B. a and b
- C. μ andπ
- D. χ2 and Z
|
| 2 |
If b<sub>yx</sub> = 0.89 and b<sub>xy</sub> = 0.75, then r= |
- A. 0.89
- B. 0.28
- C. 0.98
- D. 0.82
|
| 3 |
If the value of any regression coefficient is zero, then two variable are _______. |
- A. Qualitative
- B. Correlation
- C. Dependent
- D. Independent
|
| 4 |
r is the ------------ of two regression co-efficient b<sub>yx</sub> and b<sub>xy</sub> |
- A. arithmetic mean
- B. geometric mean
- C. harmonic mean
- D. median
|
| 5 |
The variable, whose resulting value depends upon the selected value of the independent variable is called______. |
- A. Regression
- B. Regressor
- C. Regressand
- D. Coefficient
|
| 6 |
r<sub>xy</sub> -------------- r<sub>yx</sub> |
- A. =
- B. <
- C. >
- D. ≠
|
| 7 |
The estimated regression line always passes through |
- A. origin
- B.
- C. x-axis
- D. y-axis
|
| 8 |
|
- A. 37
- B. 132
- C. 32
- D. cannot be calculated
|
| 9 |
A relationship where the flow of the data points is best represented by a curve is called_______. |
- A. Linear positive
- B. Linear negative
- C. Linear relationship
- D. Nonlinear relatiobship
|
| 10 |
The measures of strength of closeness of linear relationship between two variables is called |
- A. simple linear regression
- B. composite linear regression
- C. simple linear correlation
- D. composite linear correlation
|
