$[$ From in$-$class discussion: weeks $11$ & $12]$ Which statement is FALSE regarding the MODEL LAYER of an AI Tech Stack:

Data pre$-$processing is handled in the model layer $--$ which involves transforming raw data into a suitable format.

It is in the model layer where AI models are fine$-$tuned to improve their speed and accuracy.

The model layer is the core of the Al tech stack, where AI models are developed, trained, and optimized.

Each model layer should contain a single AI model along with all the tools and services necessary to operate that model.