Python Institute PCED-30-02 Q&A - in .pdf

  • PCED-30-02 pdf
  • Exam Code: PCED-30-02
  • Exam Name: PCED - Certified Entry-Level Data Analyst with Python
  • Updated: Aug 07, 2026
  • Q & A: 52 Questions and Answers
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  • Exam Code: PCED-30-02
  • Exam Name: PCED - Certified Entry-Level Data Analyst with Python
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  • Updated: Aug 07, 2026
  • Q & A: 52 Questions and Answers
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  • PCED-30-02 Testing Engine
  • Exam Code: PCED-30-02
  • Exam Name: PCED - Certified Entry-Level Data Analyst with Python
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  • Q & A: 52 Questions and Answers
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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Analysis and Visualization- Data visualization
  • 1. Matplotlib basics
    • 2. Plot interpretation
      - Data cleaning and preprocessing
      • 1. Missing values handling
        • 2. Data transformation techniques
          Topic 2: Basic Statistics for Data Analysis- Descriptive statistics
          • 1. Variance and standard deviation
            • 2. Mean, median, mode
              Topic 3: Data Handling and Processing with Python- Data manipulation libraries
              • 1. Pandas fundamentals
                • 2. NumPy basics
                  - Working with data structures
                  • 1. Lists, tuples, dictionaries
                    • 2. Iterating and transformations
                      Topic 4: Python Programming Fundamentals- Basic syntax and data types
                      • 1. Control flow basics
                        • 2. Variables and operators

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

                          1. You have a list of test scores, where each entry includes a student name and a score. Some students appear more than once. You want to compute the average score for each student and store the results in a dictionary. Here's the partial code block:

                          Which code correctly replaces the # MISSING CODE comment to calculate the average score for each student? Select the best answer.

                          A)

                          B)

                          C)

                          D)


                          2. You are given the following list of daily step counts:
                          steps = [8230, 9020, 7640, 8760, 10020, 2546, 9817]
                          Your task is to calculate:
                          - the standard deviation of the step counts,
                          - the average rounded up to the nearest whole number, and
                          - the median of the step counts.
                          Which code snippet correctly performs all three tasks? Select the best answer.
                          import statistics

                          A) import math
                          print(statistics.stdev(steps))
                          print(round(math.mean(steps)))
                          print(math.median(steps))
                          import statistics
                          B) import math
                          print(math.stdev(steps))
                          print(statistics.mean(steps))
                          print(statistics.median(steps))
                          import statistics
                          C) import math
                          print(statistics.variance(steps))
                          print(math.ceil(sum(steps) / len(steps)))
                          print(math.floor(statistics.median(steps)))
                          import statistics
                          D) import math
                          print(statistics.stdev(steps))
                          print(math.ceil(statistics.mean(steps)))
                          print(statistics.median(steps))


                          3. A financial technology company is reviewing its data practices to ensure legal and ethical compliance.
                          Which of the following actions would support responsible data handling and align with regulations like GDPR, HIPAA, and CCPA? (Choose two.)

                          A) Providing users with a clear explanation of how their data is used and obtaining explicit consent.
                          B) Implementing encryption for both stored and transmitted customer data.
                          C) Limiting data access only to marketing staff to streamline personalization.
                          D) Retaining user data permanently unless users explicitly request deletion.
                          E) Automatically opting users into data sharing unless they manually change settings.


                          4. A Python script evaluates the expression len(" "). The programmer assumes it might be zero because it looks empty. What will the actual result be?

                          A) 0
                          B) None
                          C) 1
                          D) Error


                          5. You are creating a presentation slide to communicate findings about student stress levels across four categories over a six-month period. You include the following line graph in your presentation:

                          Your goal is to help your audience clearly understand trends in stress levels over time.
                          What is the highest problem with this visual presentation? Select the best answer.

                          A) The months should be replaced with week numbers to provide more detailed insight.
                          B) The graph doesn't explain what each stress level means or show exact values for each month, which limits interpretation.
                          C) The chart should be in 3D format to show depth and highlight differences more clearly.
                          D) The font used in the chart is hard to read; using larger, uppercase text would improve clarity.
                          E) The lines are too light and similar in color, making it difficult to distinguish between trends.


                          Solutions:

                          Question # 1
                          Answer: B
                          Question # 2
                          Answer: D
                          Question # 3
                          Answer: A,B
                          Question # 4
                          Answer: C
                          Question # 5
                          Answer: E

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