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Python Institute PCAD-31-02 Exam Syllabus Topics:

Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:

1. Which SQL commands are typically used to retrieve and manipulate data in a data analysis context?
(Choose all that apply)
Response:

A) INSERT
B) UPDATE
C) SELECT
D) ROLLBACK

2. Which method is typically used in Pandas to check if a column contains only values within an expected range?

A) df.isin()
B) df.clip()
C) df.sort_values()
D) df.sample()

3. Which data collection method is most appropriate when gathering opinions from a target audience at scale?

A) Sensor logs
B) Transactional data
C) Surveys
D) Web scraping

4. What may occur if a model is evaluated using the same data it was trained on?

A) Data leakage
B) Underfitting
C) Overgeneralization
D) Overfitting

5. Which type of regression is most appropriate when the response variable is categorical, such as predicting customer churn (Yes/No)?

A) Logistic regression
B) Linear regression
C) Decision tree regression
D) Polynomial regression

Solutions: