| 1 |
Regression line x on y is |
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| 2 |
A data points falling along a straight line is called______. |
- A. Linear relationship
- B. Non-linear relationship
- C. Linear positive
- D. Scatter diagram
|
| 3 |
The variable that forms the basis of estimation is called |
- A. regression
- B. regressand
- C. regressor
- D. correlation
|
| 4 |
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
|
| 5 |
The _______ regression line always passes through (X̅, y̅). |
- A. Opposite
- B. Estimated
- C. Estimates
- D. Random
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| 6 |
In simple linear regression, the number of unknown constants are: |
- A. Two
- B. Three
- C. Four
- D. Five
|
| 7 |
|
- A. y-intercept
- B. x-intercept
- C. slope
- D. none of these
|
| 8 |
A process by which we estimate the value of dependent variable on the basis of one or more independent variable is called_________. |
- A. Residual
- B. Correlation
- C. Regression
- D. Slope
|
| 9 |
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
|
| 10 |
r<sub>xy</sub> -------------- r<sub>yx</sub> |
- A. =
- B. <
- C. >
- D. ≠
|
