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: Aug 11, 2026     Q & A: 52 Questions and Answers

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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionObjectives
Topic 1: Basic Statistics for Data Analysis- Descriptive statistics
  • 1. Variance and standard deviation
    • 2. Mean, median, mode
      Topic 2: Data Analysis and Visualization- Data cleaning and preprocessing
      • 1. Missing values handling
        • 2. Data transformation techniques
          - Data visualization
          • 1. Plot interpretation
            • 2. Matplotlib basics
              Topic 3: Data Handling and Processing with Python- Working with data structures
              • 1. Iterating and transformations
                • 2. Lists, tuples, dictionaries
                  - Data manipulation libraries
                  • 1. Pandas fundamentals
                    • 2. NumPy basics
                      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(math.ceil(statistics.mean(steps)))
                          print(statistics.median(steps))
                          B) import math
                          print(statistics.variance(steps))
                          print(math.ceil(sum(steps) / len(steps)))
                          print(math.floor(statistics.median(steps)))
                          import statistics
                          C) import math
                          print(statistics.stdev(steps))
                          print(round(math.mean(steps)))
                          print(math.median(steps))
                          import statistics
                          D) import math
                          print(math.stdev(steps))
                          print(statistics.mean(steps))
                          print(statistics.median(steps))
                          import statistics


                          3. A Python script includes the expression not False and True. The developer is unsure how logical operators are evaluated in terms of precedence. What will be the final Boolean result of this expression?

                          A) Error
                          B) False
                          C) None
                          D) True


                          4. Which of the following code snippets will output Truefor both printfunctions by correctly identifying the type of each variable and performing valid operations?

                          A)

                          B)

                          C)

                          D)


                          5. A variable is assigned using chained assignment: a = b = c = 10. The developer then changes b =
                          5. What will be the value of a after this operation?

                          A) Error
                          B) None
                          C) 10
                          D) 5


                          Solutions:

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

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