End-of-week quiz — Python data retrieval and exploration

End-of-week quiz · Week 2 — Python data retrieval and exploration · Individual multiple choice

What is assessed: the five lessons of the week (pandas in ten commands, loading a CSV and looking at it, SQL from Python, missing values and duplicates and outliers, sampling bias and validation rules) and the three exercises (explore the raw readings, six SQL queries twice, clean the raw readings).

Instructions: 28 multiple-choice questions. Exactly one correct answer per question. The detailed answer key is shown after you submit.