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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Exploratory Data Analysis
SQL and Data Management
Data Visualization and Communication
Statistical Methods and Modeling
Data Acquisition and Pre-Processing	29.2%

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q98-Q103):

NEW QUESTION # 98
Which file formats are commonly used for hierarchical or nested data structures in data acquisition?
(Choose two)

A. TSV
B. JSON
C. XML
D. CSV

Answer: B,C

NEW QUESTION # 99
Which of the following are limitations of manual data collection methods?
(Choose two)

A. Time-consuming process
B. Increased chance of human error
C. Seamless integration with big data tools
D. High scalability

Answer: A,B

NEW QUESTION # 100
What is the primary reason for converting all categorical labels to lowercase during the data cleaning process?

A. To reduce memory usage in the dataset
B. To avoid treating the same category as different due to case differences
C. To make string comparison operations slower
D. To improve data visualization aesthetics

Answer: B

NEW QUESTION # 101
Which of the following is the most suitable data structure in Python for representing a tabular row with column names?

A. dictionary
B. tuple
C. set
D. list

Answer: A

NEW QUESTION # 102
Which method in a Python class is responsible for initializing the object's attributes at the time of creation?

A. __main__()
B. __getattr__()
C. __init__()
D. __str__()

Answer: C

NEW QUESTION # 103
......

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