READ Free Dumps For EMC- E20-007
Question ID 16128 | If R factors are categorical variables, which data classification level are they most closely |
Option A | Nominal |
Option B | Ordinal |
Option C | Interval |
Option D | Ratio |
Correct Answer | A |
Question ID 16129 | Refer to the exhibit. You have run a linear regression model against your data, and have plotted true outcome |
Option A | The R-squared may be biased upwards by the extreme-valued outcomes. Remove them and refit to get a better idea of the model's quality over typical data. |
Option B | The R-squared is good. The model should perform well. |
Option C | The extreme-valued outliers may negatively affect the model's performance. Remove them to see if the R-squared improves over typical data. |
Option D | The observations seem to come from two different populations, but this model fits them both equally well. |
Correct Answer | A |