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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionObjectives
Data Analysis and Visualization- Data cleaning and preprocessing
  • 1. Data transformation techniques
    • 2. Missing values handling
      - Data visualization
      • 1. Matplotlib basics
        • 2. Plot interpretation
          Basic Statistics for Data Analysis- Descriptive statistics
          • 1. Variance and standard deviation
            • 2. Mean, median, mode
              Python Programming Fundamentals- Basic syntax and data types
              • 1. Variables and operators
                • 2. Control flow basics
                  Data Handling and Processing with Python- Working with data structures
                  • 1. Lists, tuples, dictionaries
                    • 2. Iterating and transformations
                      - Data manipulation libraries
                      • 1. NumPy basics
                        • 2. Pandas fundamentals

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

                          You are reviewing a report that compares the number of weekly client meetings and project completion rates across teams. The table below summarizes the data for each team:

                          Which statement best describes the data shown above? Select the best answer.

                          • A. The more meetings a team had, the more projects they finished, especially in high-performing teams like Omega and Delta."
                          • B. "Teams with 5-6 weekly meetings tended to complete more projects than those with very high or very low meeting counts."
                          • C. "Project completion numbers were nearly identical across all teams, averaging 3.25 per month."
                          • D. "Gamma and Omega were outliers that inflated the meeting average, but most teams finished about 3 projects per month."
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

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

                          An e-commerce site records every product view and purchase.
                          Which of the following best describes how these logs become marketing insights?

                          • A. Raw event logs are validated, organized, and compiled into datasets - like timestamped user actions - which then support system debugging.
                          • B. Raw event logs are structured, analyzed, and interpreted into information - like conversion rates by product - which then builds knowledge of customer preferences.
                          • C. Raw event logs are stored, archived, and indexed - like by user ID and session - which then facilitate audit trails.
                          • D. Raw event logs are filtered, aggregated, and formatted into summaries - like total visits per category - which then provide traffic reports.
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

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

                          You are given a short Python script that uses both arithmetic and assignment operators. The variable x is initialized as 4, then updated using x *= 2 + 3. What will be printed when the final value of x is displayed?

                          • A. 10
                          • B. 24
                          • C. 14
                          • D. 20
                          Reveal Solution  Discussion  0

                          Correct Answer: D  🗳️

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

                          A list is defined as [1, 2, 3]. The programmer uses the method .append([4, 5]). What will the resulting list look like after execution?

                          • A. [4,5,1,2,3]
                          • B. Error
                          • C. [1,2,3,4,5]
                          • D. [1,2,3,[4,5]]
                          Reveal Solution  Discussion  0

                          Correct Answer: D  🗳️

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                          A list is reversed using slicing: lst[::-1]. The programmer wants to confirm whether this modifies the original list or creates a new one. What is the correct behavior?

                          • A. Returns None
                          • B. Error
                          • C. Creates new list
                          • D. Modifies original
                          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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