Python InstitutePCAD - Certified Associate in Data Analytics with Python
Domain 3Objective 1
Descriptive Statistics PCAD-31 Practice Questions (Page 3)
Part of the Statistical Analysis domain, which accounts for 8.3% of the PCAD-31 exam. Python Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~2–2 in this domain), expect 1–1 from this objective — we provide 14 practice questions to prepare you well beyond it. (estimate)
14questions here
3free pages
7concepts
8.3%of the exam
Questions 11–14
- 11
In a sorted dataset, what is the 75th percentile also known as?
Select an answer first - 12
Given a dataset with a variance of 16, what is the standard deviation?
Select an answer first - 13
Why is covariance alone not sufficient to assess the strength of a linear relationship?
Select an answer first - 14
Which measure of central tendency is most appropriate for a dataset with extreme outliers, such as household incomes in a region where a few very high earners exist?
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