5x – 21. math. A local Dot Dress Shop is selling a suit for $99.
Explenation:
All models will perform same because we have not seen the test data. A. 1 and 3. B. 1 and 3. C. 1, 3 and 4. D. Only 5. Solution: C. The trend of the data looks like a quadratic trend over independent variable X. A higher degree (Right graph) polynomial might have a very high accuracy on the train population but is expected to fail badly on test
