| 1 |
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
|
| 2 |
The variable, that forms the basis of estimation, is called_______. |
- A. Regression
- B. Regressor
- C. Regressand
- D. Estimated
|
| 3 |
|
- A. y-intercept
- B. x-intercept
- C. slope
- D. none of these
|
| 4 |
The estimated regression line always passes through |
- A. origin
- B.
- C. x-axis
- D. y-axis
|
| 5 |
In simple linear regression, the number of unknown constants are: |
- A. Two
- B. Three
- C. Four
- D. Five
|
| 6 |
The variable, whose resulting value depends upon the selected value of the independent variable is called______. |
- A. Regression
- B. Regressor
- C. Regressand
- D. Coefficient
|
| 7 |
The straight line graph of the linear equation Y = a + bX, the slope will be upward it_______. |
- A. b = 0
- B. b < 0
- C. b > 0
- D. b ≠ 0
|
| 8 |
If r = -1, then there is |
- A. negative correlation
- B. perfect negative correlation
- C. no correlation
- D. average correlation
|
| 9 |
The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called |
- A. equation
- B. relation
- C. ratio
- D. regression
|
| 10 |
If the value of any regression coefficient is zero, then two variable are _______. |
- A. Qualitative
- B. Correlation
- C. Dependent
- D. Independent
|
