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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionObjectives
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
          Basic Statistics for Data Analysis- Descriptive statistics
          • 1. Mean, median, mode
            • 2. Variance and standard deviation
              Data Analysis and Visualization- Data visualization
              • 1. Matplotlib basics
                • 2. Plot interpretation
                  - Data cleaning and preprocessing
                  • 1. Missing values handling
                    • 2. Data transformation techniques
                      Python Programming Fundamentals- Basic syntax and data types
                      • 1. Variables and operators
                        • 2. Control flow basics

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

                          A loop is designed using range(1, 6, 2) to iterate through numbers. The developer wants to know exactly which values will be generated during execution. Which sequence correctly represents the values produced?

                          • A. 2, 4, 6
                          • B. 1, 3, 5
                          • C. 1, 2, 3, 4, 5
                          • D. 1, 3
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

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

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

                          Correct Answer: A  🗳️

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

                          You are analyzing survey results from students about their favorite colors. The list colorsstores individual responses:

                          You want to:
                          - find the number of unique colors mentioned using NumPy, and
                          - determine how often each color was chosen using Counter.
                          Which code snippet correctly performs both tasks? Select the best answer.
                          from numpy import unique

                          • A. from collections import Counter
                            unique_colors = len(set(colors))
                            color_counts = np.unique(colors)
                          • B. from collections import Counter
                            unique_colors = np.unique(colors)
                            color_counts = Counter(set(colors))
                            import numpy as np
                          • C. from collections import Counter
                            unique_colors = len(unique(colors))
                            color_counts = Counter(colors)
                            import numpy as np
                          • D. from collections import Counter
                            unique_colors = Counter(colors)
                            color_counts = sum(np.unique(colors))
                            import numpy as np
                          Reveal Solution  Discussion  0

                          Correct Answer: C  🗳️

                          Explanation: Only visible for TrainingDump 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. 20
                          • B. 24
                          • C. 10
                          • D. 14
                          Reveal Solution  Discussion  0

                          Correct Answer: A  🗳️

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

                          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.
                          Reveal Solution  Discussion  0

                          Correct Answer: A  🗳️

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

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