Quiz — Missing values, duplicates, outliers

3 min

Checkpoint quiz · Week 2 — Python data retrieval and exploration · Individual multiple choice

What is assessed: the three defects and how to count them, the find-decide-act method, the IQR fence versus a domain rule, and the effect of a placeholder on the mean.

Instructions: 8 multiple-choice questions. Exactly one correct answer per question. The detailed answer key is shown after you submit.

8 questionsPassing score: 70 %

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