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Python Institute PCED-30-02 Exam Syllabus Topics:

SectionObjectives
Basic Statistics for Data Analysis- Descriptive statistics
  • 1. Mean, median, mode
    • 2. Variance and standard deviation
      Data Analysis and Visualization- Data cleaning and preprocessing
      • 1. Missing values handling
        • 2. Data transformation techniques
          - Data visualization
          • 1. Plot interpretation
            • 2. Matplotlib basics
              Data Handling and Processing with Python- Data manipulation libraries
              • 1. NumPy basics
                • 2. Pandas fundamentals
                  - Working with data structures
                  • 1. Iterating and transformations
                    • 2. Lists, tuples, dictionaries
                      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 (Q51-Q56):

                          NEW QUESTION # 51
                          The following chart shows how a student spends 24 hours in a day:

                          Which statements are most accurate? (Choose two.)

                          Answer: C,D

                          Explanation:
                          The largest portions of the chart are sleep and school, and together they clearly make up more than half of the day. Leisure appears as a mid-sized segment that is larger than commuting but smaller than school, fitting the description of a moderate portion.


                          NEW QUESTION # 52
                          A program compares two values using == and is. The variables a = 256 and b = 256 are defined.
                          What is the expected result of a is b in most Python implementations?

                          Answer: B

                          Explanation:
                          Python caches small integers for efficiency. Since 256 is typically within the cached range, both variables reference the same object in memory, making a is b evaluate to True.


                          NEW QUESTION # 53
                          Consider a Python program that assigns a string value "5" to a variable and then attempts to multiply it by an integer 3. The programmer expects numeric multiplication. What will actually happen when the code is executed?

                          Answer: D

                          Explanation:
                          In Python, multiplying a string by an integer repeats the string. Therefore, "5" * 3 produces "555", not a numeric result. This behavior differs from arithmetic multiplication and often confuses beginners.


                          NEW QUESTION # 54
                          A government agency collects citizen data for various public services.
                          What is the primary reason for emphasizing careful data management throughout the entire data lifecycle in this context? Select the best answer.

                          Answer: A

                          Explanation:
                          Careful data management across the entire lifecycle ensures high data quality for reliable public services, protects sensitive citizen information from misuse, and maintains compliance with legal and regulatory data protection requirements.


                          NEW QUESTION # 55
                          A Python script checks membership using "a" in "apple". The developer wants to understand how membership works for strings. What result will this expression produce?

                          Answer: B

                          Explanation:
                          The in operator checks for substring presence. Since the character "a" exists in "apple", the expression evaluates to True, demonstrating how membership works for strings in Python.


                          NEW QUESTION # 56
                          ......

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