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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

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PCAD-31-02 Hot Questions & PCAD-31-02 Latest Exam Pass4sure

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q85-Q90):

NEW QUESTION # 85
Which of the following techniques are commonly used in the standardization of textual or categorical data during preprocessing?
(Choose two)

A. Scaling numeric features to a fixed range
B. Replacing misspellings with a canonical category label
C. Trimming whitespace from string values
D. Applying logarithmic transformation to skewed data

Answer: B,C

NEW QUESTION # 86
Why is it important to manage object identity correctly in complex data analysis pipelines?

A. It prevents reloading modules unnecessarily
B. It avoids redundant copies and preserves shared state when required
C. It ensures type casting is consistently applied
D. It guarantees consistent hashing of string values

Answer: B

NEW QUESTION # 87
Which Python library is most commonly used to establish a connection to a SQLite database and perform SQL operations?

A. sqlalchemy
B. pymysql
C. psycopg2
D. sqlite3

Answer: D

NEW QUESTION # 88
Which Python tool or library is best suited for retrieving data from HTML tables on web pages?

A. sqlalchemy
B. math
C. re
D. pandas.read_html()

Answer: D

NEW QUESTION # 89
Which approaches help tailor data visualizations for non-technical stakeholders?
(Choose two)

A. Focus on trend and summary metrics
B. Add context through narrative or titles
C. Use jargon-rich annotations
D. Use raw code outputs for clarity

Answer: A,D

NEW QUESTION # 90
......

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