Python Institute PCED-30-02 : PCED - Certified Entry-Level Data Analyst with Python

  • Exam Code: PCED-30-02
  • Exam Name: PCED - Certified Entry-Level Data Analyst with Python
  • Updated: Oct 04, 2026
  • Q & A: 52 Questions and Answers

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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionWeightObjectives
Working with Data and Performing Simple Analysis25%- Data cleaning and preparation
  • 1. Formatting and standardizing values
  • 2. Filtering, sorting, transforming data
  • 3. Handling missing values, duplicates, and errors
- Data acquisition and loading
  • 1. Importing data from external sources
  • 2. Reading text, CSV, and structured files
- Exploratory data analysis
  • 1. Identifying patterns, trends, and outliers
  • 2. Calculating mean, median, mode, range, variance, standard deviation
- Data aggregation and grouping
  • 1. Summarizing and grouping datasets
Data Visualization and Communication20%- Principles of effective data visualization
  • 1. Choosing appropriate chart types
  • 2. Clarity, simplicity, and accuracy
- Creating basic visualizations
  • 1. Using text and simple plotting tools
  • 2. Line charts, bar charts, histograms, pie charts
- Interpreting and presenting results
  • 1. Reporting findings clearly and concisely
  • 2. Deriving conclusions and insights
Introduction to Data and Data Analysis Concepts22.5%- Data types and measurement scales
  • 1. Nominal, ordinal, interval, ratio scales
  • 2. Qualitative vs quantitative data
- Definition and classification of data
  • 1. Difference between data, information, and knowledge
  • 2. Process of turning raw data into insights
  • 3. Role of data in decision-making and business
- Basic statistical concepts
  • 1. Population, sample, variable, observation
  • 2. Descriptive vs inferential statistics
- Data lifecycle and ethical considerations
  • 1. Privacy, security, bias, and fairness in data
  • 2. Data collection, storage, processing, usage, and sharing
Python Basics for Data Analysis32.5%- Core Python syntax and data types
  • 1. Lists, tuples, sets, dictionaries
  • 2. Variables, numbers, strings, booleans
- Built-in modules for data work
  • 1. math, statistics, datetime, collections, csv
- Control flow and functions
  • 1. Defining and calling functions, parameters, return values
  • 2. Conditional statements, loops, iteration
  • 3. Basic exception handling
- Introduction to NumPy
  • 1. Arrays, basic operations, indexing, slicing

Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

Question #1

The following chart shows how a student spends 24 hours in a day:

Which statements are most accurate? (Choose two.)

  • A. Leisure accounts for a moderate portion of the student's daily schedule, larger than commuting but smaller than the time spent at school.
  • B. Commuting is the second most time-consuming activity.
  • C. Leisure and meals combined equal the time spent at school.
  • D. School and homework together take up half of the day's time.
  • E. More time is spent commuting than on leisure.
  • F. Sleep and school take up the majority of time in a day.
Reveal Solution  Discussion  0

Correct Answer: A,F  🗳️

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Question #2

A Python script checks membership using "a" in "apple". The developer wants to understand how membership works for strings. What result will this expression produce?

  • A. Error
  • B. False
  • C. True
  • D. None
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #3

A health researcher uses wearable devices to record physical activity and sends a survey to randomly selected participants across age groups.
Why can this approach be effective? Select the best answer.

  • A. It relies on observational methods, which are more accurate than surveys or sensors.
  • B. It limits sampling to one demographic, ensuring high-quality data within a specific group.
  • C. It uses unstructured interviews to validate automated tracking, improving bias detection.
  • D. It combines automated data collection with representative sampling, reducing the risk of bias.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

The following chart shows how a student spends 24 hours in a day:

Which statements are most accurate? (Choose two.)

  • A. Leisure accounts for a moderate portion of the student's daily schedule, larger than commuting but smaller than the time spent at school.
  • B. Commuting is the second most time-consuming activity.
  • C. Leisure and meals combined equal the time spent at school.
  • D. School and homework together take up half of the day's time.
  • E. More time is spent commuting than on leisure.
  • F. Sleep and school take up the majority of time in a day.
Reveal Solution  Discussion  0

Correct Answer: A,F  🗳️

Question #5

A loop includes a break statement when a condition is met. The programmer wants to understand how break affects loop execution. What happens when break is executed inside the loop?

  • A. Error
  • B. Loop ends immediately
  • C. Skips one iteration
  • D. Loop restarts
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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