Python Institute PCED - Certified Entry-Level Data Analyst with Python : PCED-30-02 Exam Questions

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Python Institute PCED-30-02 Exam Syllabus Topics:

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

1. A program uses slicing on a string "Python". The expression s[1:4] is evaluated. Which substring will be returned?

A) ytho
B) ythn
C) tho
D) yth

2. An online retailer collects customer reviews, order transaction logs, and product ratings.
Which of the following correctly classifies these types of data? Select the best answer.

A) Product ratings are qualitative and unstructured; customer reviews are quantitative and structured; transaction logs are semi-structured and qualitative.
B) Product ratings are qualitative and structured; customer reviews are qualitative and unstructured; transaction logs are quantitative and semi-structured.
C) Product ratings are quantitative and unstructured; customer reviews are structured and qualitative; transaction logs are quantitative and unstructured.
D) Product ratings are quantitative and structured; customer reviews are qualitative and unstructured; transaction logs are structured and quantitative

3. A dictionary is defined as d = {"a":1, "b":2}. The programmer accesses d["c"]. What happens when this line executes?

A) Returns 0
B) Adds key automatically
C) Returns None
D) Raises KeyError

4. A government agency collects citizen data for various public services.
What is the primary reason for emphasizing careful data management throughout the entire data lifecycle in this context? Select the best answer.

A) To uphold data quality for effective service delivery, safeguard citizen privacy and prevent misuse, and comply with data protection laws.
B) To enable seamless sharing of anonymized citizen information with other governmental bodies for collaborative initiatives.
C) To guarantee the long-term availability and integrity of crucial citizen datasets for future policy formulation and evaluation.
D) To streamline the initial capture of citizen details and minimize the administrative burden on both staff and the public.

5. 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 4
B) 3.5 and 3
C) 3 and 3.5
D) 4 and 3

Solutions: