You Built and Manage a Production System That Is Responsible

question 19

Multiple Choice

You built and manage a production system that is responsible for predicting sales numbers. Model accuracy is crucial, because the production model is required to keep up with market changes. Since being deployed to production, the model hasn't changed; however the accuracy of the model has steadily deteriorated. What issue is most likely causing the steady decline in model accuracy?

• A) Poor data quality
• B) Lack of model retraining
• C) Too few layers in the model for capturing information
• D) Incorrect data split ratio during model training, evaluation, validation, and test

---

Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting neural information.

Spinal Nerves

Nerves that emerge from the spinal cord, carrying motor, sensory, and autonomic signals between the spinal cord and the body.

Peripheral Process

The process by which peripheral nerves relay information from the body's extremities to the central nervous system and vice versa.

Unipolar Neurons

Neurons that have a single extension from their cell body, which branches into a peripheral process and a central process, often found in sensory pathways.