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Python Institute PCAD-31-02 Exam Syllabus Topics:

SectionWeightObjectives
Working with Data Using Python Libraries30%- Data Visualization
  • 1. Creating basic charts (line, bar, scatter, histogram)
  • 2. Customizing plots
  • 3. Seaborn introduction
  • 4. Matplotlib basics
- NumPy Fundamentals
  • 1. NumPy arrays and operations
  • 2. Array indexing and slicing
  • 3. Vectorized operations
  • 4. Basic statistical functions
- Pandas Library
  • 1. Data selection and filtering
  • 2. Series and DataFrame structures
  • 3. GroupBy operations
  • 4. DataFrame operations (merge, join, concat)
  • 5. Handling missing data
Applied Data Analysis Projects20%- Data Analysis Workflow
  • 1. Problem definition
  • 2. Results interpretation and presentation
  • 3. Analysis and modeling
  • 4. Data exploration and cleaning
- Exploratory Data Analysis (EDA)
  • 1. Correlation analysis
  • 2. Descriptive statistics computation
  • 3. Pattern identification
  • 4. Data distribution analysis
Python Programming for Data Analysis30%- File Operations
  • 1. Writing to files
  • 2. Context managers (with statement)
  • 3. Reading from files (text, CSV)
- Python Data Types and Structures
  • 1. Lists, tuples, dictionaries, sets
  • 2. Data type conversions
  • 3. Numbers, strings, booleans
- Control Flow and Functions
  • 1. Function definitions and parameters
  • 2. Return values and scope
  • 3. Loops (for, while)
  • 4. Conditional statements (if, elif, else)
Data Analysis Fundamentals20%- Data Collection and Preparation
  • 1. Data import/export operations
  • 2. Data sources and acquisition methods
  • 3. Data cleaning and preprocessing basics
- Introduction to Data Analysis
  • 1. Data analysis concepts and terminology
  • 2. Data analysis process lifecycle
  • 3. Types of data (structured, unstructured, semi-structured)

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

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

  • A. re
  • B. math
  • C. sqlalchemy
  • D. pandas.read_html()
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Which operations are valid and commonly used on Python lists during data transformation tasks?
(Choose two)

  • A. Slicing
  • B. Index-based iteration
  • C. Append
  • D. Key-value mapping
Reveal Solution  Discussion  0

Correct Answer: A,C  🗳️

Which practices are typically part of the data integration process?
(Choose two)

  • A. Schema alignment
  • B. Format standardization
  • C. Neural network training
  • D. Data encryption
Reveal Solution  Discussion  0

Correct Answer: A,B  🗳️

Which of the following are key differences between Pandas and NumPy arrays?
(Choose two)

  • A. Pandas integrates better with tabular data and missing values
  • B. Pandas Series are more memory efficient than NumPy arrays
  • C. NumPy supports string indexing; Pandas does not
  • D. Pandas handles labeled data; NumPy does not
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

What is a key advantage of using the Parquet file format over CSV in large-scale data pipelines?

  • A. Parquet stores data in plain text, making it human-readable
  • B. Parquet offers row-based compression
  • C. Parquet files can only be used with Excel
  • D. Parquet supports schema evolution and columnar storage
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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