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Python Institute PCED-30-02 Exam Syllabus Topics:

Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

Question 1

A health researcher uses wearable devices to record physical activity and sends a survey to randomly selected participants across age groups.
Why can this approach be effective? Select the best answer.

A. It combines automated data collection with representative sampling, reducing the risk of bias.
B. It relies on observational methods, which are more accurate than surveys or sensors.
C. It limits sampling to one demographic, ensuring high-quality data within a specific group.
D. It uses unstructured interviews to validate automated tracking, improving bias detection.

Question 2

A script attempts to divide two numbers using / and //. The values are 7 and 2. The developer wants to understand the difference between true division and floor division. What are the results respectively?

A. 3 and 3.5
B. 3.5 and 3
C. 4 and 3
D. 3 and 4

Question 3

You are writing a function to validate battery voltage readings. The rules are:
- If the reading is "MISSING"or None, return "Missing".
- If the value is below 2.5or above 4.2, return "Outlier".
Otherwise, return "Normal".
Which version correctly implements this logic using the most robust conditional and nested structures? Select the best answer.

A.

B.

C.

D.

Question 4

A Python script checks membership using "a" in "apple". The developer wants to understand how membership works for strings. What result will this expression produce?

A. None
B. False
C. Error
D. True

Question 5

A financial technology company is reviewing its data practices to ensure legal and ethical compliance.
Which of the following actions would support responsible data handling and align with regulations like GDPR, HIPAA, and CCPA? (Choose two.)

A. Automatically opting users into data sharing unless they manually change settings.
B. Providing users with a clear explanation of how their data is used and obtaining explicit consent.
C. Limiting data access only to marketing staff to streamline personalization.
D. Implementing encryption for both stored and transmitted customer data.
E. Retaining user data permanently unless users explicitly request deletion.

Solutions: