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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 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
              Topic 3: Data Analysis and Visualization- Data visualization
              • 1. Plot interpretation
                • 2. Matplotlib basics
                  - Data cleaning and preprocessing
                  • 1. Missing values handling
                    • 2. Data transformation techniques
                      Topic 4: Python Programming Fundamentals- Basic syntax and data types
                      • 1. Variables and operators
                        • 2. Control flow basics

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                          Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q26-Q31):

                          NEW QUESTION # 26
                          A Python loop uses range(5, 0, -2) to iterate backward. The programmer expects a decreasing sequence. Which values will actually be generated when this loop runs?

                          Answer: A

                          Explanation:
                          The range starts at 5 and decreases by 2 each step until it reaches a value greater than 0. The generated sequence is 5, 3, and 1.


                          NEW QUESTION # 27
                          A programmer writes a script to test operator precedence using the expression 3 + 4 * 2 ** 2. The goal is to evaluate the result correctly based on Python's operator hierarchy rules. What result should the script produce?

                          Answer: D

                          Explanation:
                          Exponentiation is evaluated first, so 2 ** 2 equals 4. Then multiplication 4 * 4 equals 16. Finally, addition is performed: 3 + 16 results in 19.


                          NEW QUESTION # 28
                          An online retailer collects customer reviews, order transaction logs, and product ratings.
                          Which of the following correctly classifies these types of data? Select the best answer.

                          Answer: A

                          Explanation:
                          Product ratings are numeric values stored in fixed fields, making them quantitative and structured.
                          Customer reviews are free-text responses, which are qualitative and unstructured. Transaction logs consist of organized records with defined fields such as order ID, date, and amount, making them structured and quantitative.


                          NEW QUESTION # 29
                          A loop includes a break statement when a condition is met. The programmer wants to understand how break affects loop execution. What happens when break is executed inside the loop?

                          Answer: C

                          Explanation:
                          The break statement immediately terminates the loop, regardless of remaining iterations. Control is transferred to the first statement following the loop block.


                          NEW QUESTION # 30
                          The following chart shows how a student spends 24 hours in a day:

                          Which statements are most accurate? (Choose two.)

                          Answer: E,F


                          NEW QUESTION # 31
                          ......

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