| 1 |
r<sub>xy</sub> -------------- r<sub>yx</sub> |
- A. =
- B. <
- C. >
- D. ≠
|
| 2 |
The variable, whose resulting value depends upon the selected value of the independent variable is called______. |
- A. Regression
- B. Regressor
- C. Regressand
- D. Coefficient
|
| 3 |
|
- A. 37
- B. 132
- C. 32
- D. cannot be calculated
|
| 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 |
Regression line x on y is |
|
| 6 |
A set of points in a rectangular coordinate system, where each point represents an observed pair of values is called |
- A. least square regression
- B. scatter diagram
- C. pie graph
- D. regression coefficient
|
| 7 |
The regression equation always passes throught_________. |
- A. (X, Y)
- B. (X, y̅)
- C. (X̅, Y)
- D. (X̅, y̅)
|
| 8 |
|
- A. S<sub>xy</sub>
- B. S<sub>yx</sub>
- C. b<sub>xy</sub>
- D. b<sub>yx</sub>
|
| 9 |
The _______ regression line always passes through (X̅, y̅). |
- A. Opposite
- B. Estimated
- C. Estimates
- D. Random
|
| 10 |
The estimated regression line always passes through |
- A. origin
- B.
- C. x-axis
- D. y-axis
|
