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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Python Basics for Data Analysis32.5%- Data Structures
  • 1. Apply common operations and methods to data structures
  • 2. Work with lists, tuples, dictionaries, and sets
- Python Fundamentals
  • 1. Use variables, data types, and basic operators
  • 2. Implement control flow structures (loops, conditionals)
  • 3. Define and use functions
- File Handling
  • 1. Use the csv module for basic CSV operations
  • 2. Read from and write to files (text, CSV)
Topic 2: Working with Data and Performing Simple Analyses32.5%- Data Cleaning and Transformation
  • 1. Handle missing and inconsistent data
  • 2. Perform basic data transformation (filtering, sorting, grouping)
- Simple Analytical Techniques
  • 1. Identify basic patterns and trends in data
  • 2. Calculate descriptive statistics (mean, median, mode)
- Data Analysis with Python Libraries
  • 1. Perform basic operations with NumPy arrays
  • 2. Work with the datetime module for date/time data
  • 3. Use the math and statistics modules for basic calculations
  • 4. Utilize the collections module for specialized containers
Topic 3: Communicating Insights and Reporting12.5%- Data Visualization
  • 1. Select appropriate visuals for different data types
  • 2. Recognize common visualization types (bar, line, pie charts)
  • 3. Interpret simple data visualizations
- Data Storytelling and Reporting
  • 1. Create clear and concise analytical reports
  • 2. Structure insights as a narrative
  • 3. Present insights with visual and verbal techniques
Topic 4: Introduction to Data and Data Analysis Concepts22.5%- Data Ethics and Privacy
  • 1. Understand basic data privacy concepts
  • 2. Recognize ethical considerations in data handling
- Data Analysis Process and Workflow
  • 1. Explain the role of data cleaning and preparation
  • 2. Describe the steps of the data analysis process
  • 3. Identify common data sources and collection methods
- Define and Classify Data
  • 1. Explain how data becomes meaningful
  • 2. Classify data as quantitative or qualitative
  • 3. Differentiate structured, semi-structured, and unstructured data

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

You are reading a data.csvfile line by line. To prepare each line for formatting with f-strings, you need to remove extra whitespace and split the values by commas.
Which line should you insert to correctly clean and parse the input?

  • A. fields = line.split(', ').trim()
  • B. fields = line.strip().split(', ')
  • C. fields = line.split().strip(', ')
  • D. fields = line.replace(', ', '|').split('|')
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

Below are six possible summaries for your presentation:
- Summary 1: "The data revealed a moderate positive correlation between age and recycling frequency. While 72% of students reported recycling paper regularly, only 39% reported recycling plastic."
- Summary 2: "Analysis showed notable differences in recycling habits by material type, with paper being most recycled and plastic least recycled."
- Summary 3: "Older kids recycled more than younger ones. Paper was the most recycled item- plastic got forgotten a lot."
- Summary 4: "Student responses showed positive environmental habits overall, though participation varied by waste type."
- Summary 5: "A lot of students said they recycle. Some didn't answer every question, so we couldn't figure out everything."
- Summary 6: "We asked more than 300 students about recycling. Most said they recycle paper, but way fewer recycle plastic." Which communication style is the best fit for Group A (data scientists) and Group B (12-year- olds), respectively? Select the best answer.

  • A. Summary 4 for Group A, Summary 3 for Group B
  • B. Summary 2 for Group A. Summary 6 for Group B
  • C. Summary 1 for Group A, Summary 6 for Group B
  • D. Summary 6 for Group A, Summary 3 for Group B
  • E. Summary 6 for Group A, Summary 5 for Group B
  • F. Summary 1 for Group A, Summary 3 for Group B
Reveal Solution  Discussion  0

Correct Answer: F  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

Given the following string:
text = "Report2024Final"
Which of the following statements are entirely correct? (Choose two.)

  • A. text[0:6].isalpha() returns True, and text.find("2024") returns 6
  • B. text[6:8].isdigit()returns True, and text.endswith("Final")returns True
  • C. text.capitalize()changes Finalto lowercase, and text.find ("L")returns True
  • D. text.capitalize()changes Report2024Finalto REPORT2024FINAL, and text.find("2024")returns 6
  • E. text[-6].isdigit() returns True, text.startswith("r") returns True
  • F. text.isalpha()returns True, and text.find ("2024")returns True
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

You are developing a temperature control module for a laboratory incubator. Your objectives are to:
- generate timestamps every 10 minutes over a 3-hour span (i.e., 0 to 180 minutes), and
- simulate five evenly spaced target temperatures between 35.0°C and 37.0°C for system calibration.
Which code snippet correctly produces both sequences using NumPy? Select the best answer.
import numpy as np

  • A. timestamps = np.linspace(0, 181, 10)
    target_temps = np.arange(35.0, 37.0, 0.5)
    import numpy a3 np
  • B. timestamps = np.arange(0, 181, 10)
    target_temps = np.linspace(35.0, 37.0, 5)
  • C. timestamps = np.linspace(0, 180, 10)
    target_temps = np.arange(35.0, 37.0, 5)
    import numpy as np
  • D. timestamps = np.arange(0, 180, 10)
    target_temps = np.linspace(35.0, 37.0, 4)
    import numpy as np
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

You are given two lists representing daily page views and sign-ups on a website:
views = [120, 130, 128, 700, 115, 123, 119, 680, 122]
signups = [12, 15, 13, 50, 11, 14, 10, 55, 13]
You want to:
- remove outliers (views > 600), and
- calculate correlation between the cleaned lists.
Which code accomplishes this correctly? Select the best answer.

  • A.
  • B.
  • C.
  • D.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

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