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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

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

Question #1

Which SQL command should a data analyst use to modify existing records in a database table based on specific conditions?

  • A. CREATE
  • B. SELECT
  • C. UPDATE
  • D. INSERT
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

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

  • A. Use jargon-rich annotations
  • B. Focus on trend and summary metrics
  • C. Use raw code outputs for clarity
  • D. Add context through narrative or titles
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #3

What is the primary reason for using parameterized queries instead of directly formatting SQL strings in Python?

  • A. To prevent SQL injection vulnerabilities
  • B. To allow dynamic table creation
  • C. To reduce the number of SQL statements
  • D. To simplify data encryption
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Which characteristics are commonly associated with cloud-based data storage solutions?

  • A. Physical proximity to user machines
  • B. Elastic scalability
  • C. High availability and redundancy
  • D. Requires dedicated local hardware
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of the following would best validate the uniqueness of a primary key in a Pandas DataFrame?

  • A. df['id'].fillna()
  • B. df['id'].nunique()
  • C. df['id'].isnull().sum()
  • D. df['id'].duplicated().any()
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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