Python Institute PCAD-31-02 valid - in .pdf

PCAD-31-02 pdf
  • Exam Code: PCAD-31-02
  • Exam Name: Python Institute Certified Associate Data Analyst with Python (PCAD-31-02)
  • Q & A: 146 Questions and Answers
  • PDF Price: $59.99
  • Free Demo

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  • Exam Code: PCAD-31-02
  • Exam Name: Python Institute Certified Associate Data Analyst with Python (PCAD-31-02)
  • Q & A: 146 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
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PCAD-31-02 Testing Engine
  • Exam Code: PCAD-31-02
  • Exam Name: Python Institute Certified Associate Data Analyst with Python (PCAD-31-02)
  • Q & A: 146 Questions and Answers
  • Software Price: $59.99
  • Testing Engine

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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

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

Question #1

Which chart types are commonly used to represent relationships between two numerical variables in Python-based visualizations?
(choose two)
Response:

  • A. Histogram
  • B. Scatter plot
  • C. Heatmap
  • D. Line chart
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Question #2

What is the most efficient way to handle missing values in a Pandas DataFrame when preparing a dataset for analysis that must maintain original index structure and avoid row deletions?

  • A. Use drop() to remove null rows
  • B. Use fillna() with a constant value
  • C. Apply interpolate() method
  • D. Use dropna() with axis=1
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

Which operations are valid when working with Pandas Series?
(Choose two)

  • A. Applying NumPy universal functions
  • B. Using .columns to rename
  • C. Merging by index using merge()
  • D. Arithmetic vector operations
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #4

Which method allows you to detect and remove rows with duplicate values across all columns in a Pandas DataFrame?

  • A. DataFrame.drop_duplicates()
  • B. DataFrame.nunique()
  • C. DataFrame.remove_duplicates()
  • D. DataFrame.unique()
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

What is the correct SQL statement to permanently remove a table named customers from a database?

  • A. REMOVE TABLE customers;
  • B. DELETE TABLE customers;
  • C. DROP TABLE customers;
  • D. TRUNCATE TABLE customers;
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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