| 1 |
The regression equation always passes throught_________. |
- A. (X, Y)
- B. (X, y̅)
- C. (X̅, Y)
- D. (X̅, y̅)
|
| 2 |
The variable, that forms the basis of estimation, is called_______. |
- A. Regression
- B. Regressor
- C. Regressand
- D. Estimated
|
| 3 |
The variable that forms the basis of estimation is called |
- A. regression
- B. regressand
- C. regressor
- D. correlation
|
| 4 |
If r = -1, then there is |
- A. negative correlation
- B. perfect negative correlation
- C. no correlation
- D. average correlation
|
| 5 |
|
- A. 37
- B. 132
- C. 32
- D. cannot be calculated
|
| 6 |
|
- A. y-intercept
- B. x-intercept
- C. slope
- D. none of these
|
| 7 |
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
|
| 8 |
A data points falling along a straight line is called______. |
- A. Linear relationship
- B. Non-linear relationship
- C. Linear positive
- D. Scatter diagram
|
| 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 |
When b<sub>xy</sub> is positive, then b<sub>yx</sub> will be _______. |
- A. Negative
- B. Positive
- C. Zero
- D. One
|
