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Python Institute PCED-30-02 Exam Syllabus Topics:

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

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                          Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q16-Q21):

                          NEW QUESTION # 16
                          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: A

                          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 # 17
                          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: C

                          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 # 18
                          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?

                          Answer: D

                          Explanation:
                          Python evaluates the addition first because of operator precedence. The expression 2 + 3 equals
                          5, then x *= 5 multiplies the current value of x (4) by 5, resulting in a final value of 20.


                          NEW QUESTION # 19
                          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: A

                          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 # 20
                          Which of the following statements about Python functions are correct? (Choose two.)

                          Answer: D,F

                          Explanation:
                          Positional arguments are matched to parameters by their position, so they must follow the defined order, while keyword arguments are matched by name and can be provided in any order. If a function completes without an explicit return statement, Python returns None automatically.


                          NEW QUESTION # 21
                          ......

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