Metainformation
| Tag | Value |
|---|---|
| file | Inferential_Statistics_uva-equation-1221-en_uva-equation-1221-en |
| name | uva-equation-1221-en |
| section | Inferential Statistics/Regression/Equation |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Conceptual |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | -0.415 |
| p-value | 0.9366 |
Question
Variables X and Y were measured in 50 individuals. The results were put into a scatterplot accompanied by the regression line of Y on X. The equation of the regression line is equal to:
- FALSE: Y = 2 + 1.4 * X
- FALSE: X = 2 + 1.2 * Y
- FALSE: X = 3 + 1.4 * Y
- TRUE: Y = 3 + 1.2 * X
- Y = 2 + 1.4 * X: Incorrect
- X = 2 + 1.2 Y: Incorrect
- X = 3 + 1.4 * Y: Incorrect
- Y = 3 + 1.2 * X: Correct