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Python Institute PCED-30-02 Exam Syllabus Topics:

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

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                          Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q21-Q26):

                          NEW QUESTION # 21
                          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: B

                          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 # 22
                          Given the following string:
                          text = "Report2024Final"
                          Which of the following statements are entirely correct? (Choose two.)

                          Answer: A,B,E

                          Explanation:
                          The slice text[6:8] is "20", which contains only digits, and the string ends with "Final". The first six characters are "Report", which are all alphabetic, and "2024" begins at index 6.


                          NEW QUESTION # 23
                          What will be the output of the following code?

                          Answer: A

                          Explanation:
                          The function declares the variable as global and assigns it the value 5. When the function is called, it updates the global variable and returns 5, so both the returned value and the global variable printed afterward are 5.


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

                          Which statements are most accurate? (Choose two.)

                          Answer: A,E


                          NEW QUESTION # 25
                          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: D

                          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 # 26
                          ......

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