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DA0-002 Data Analysis Practice Question

A data analyst wants to segment customers into groups based on their purchasing behavior. The dataset includes numerical features such as annual income and purchase frequency. Which algorithm is most appropriate for this task?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

K-means clustering

K-means clustering is a common algorithm for customer segmentation based on numerical features.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Linear regression

    Why it's wrong here

    Linear regression predicts a continuous outcome, not segments.

  • K-means clustering

    Why this is correct

    Correct: K-means is unsupervised clustering for segmentation.

  • Logistic regression

    Why it's wrong here

    Logistic regression is for binary classification.

  • Chi-square test

    Why it's wrong here

    Chi-square tests independence, not segmentation.

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