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AIF-C01 · Question #354

A healthcare company wants to create a model to improve disease diagnostics by analyzing patient voices. The company has recorded hundreds of patient voices for this project. The company is…

The correct answer is B. Data preprocessing. Filtering voice recordings by duration and language is part of data preprocessing, where raw data is cleaned and prepared to ensure quality and consistency before moving to feature engineering and model training.

Submitted by eva_at· Mar 30, 2026Data Preparation

Question

A healthcare company wants to create a model to improve disease diagnostics by analyzing patient voices. The company has recorded hundreds of patient voices for this project. The company is currently filtering voice recordings according to duration and language. Which phase of the ML lifecycle describes the current project phase?

Options

  • AData collection
  • BData preprocessing
  • CFeature engineering
  • DModel training

How the community answered

(37 responses)
  • B
    89% (33)
  • C
    3% (1)
  • D
    8% (3)

Explanation

Filtering voice recordings by duration and language is part of data preprocessing, where raw data is cleaned and prepared to ensure quality and consistency before moving to feature engineering and model training.

Topics

#ML lifecycle#Data preprocessing#Data filtering#Voice data

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