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

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                          Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q10-Q15):

                          NEW QUESTION # 10
                          A Python script includes the expression not False and True. The developer is unsure how logical operators are evaluated in terms of precedence. What will be the final Boolean result of this expression?

                          Answer: B

                          Explanation:
                          The not operator has higher precedence than and, so not False becomes True first. Then True and True is evaluated, resulting in True as the final Boolean value.


                          NEW QUESTION # 11
                          A teacher wants to compare the number of students in different school clubs:

                          Which type of chart would be most appropriate to show this comparison? Select the best answer.

                          Answer: A

                          Explanation:
                          A bar chart is best for comparing quantities across distinct categories, such as the number of students in each club, because it clearly shows differences in counts side by side.


                          NEW QUESTION # 12
                          A script defines a variable x = None and checks its truth value using a conditional statement. The developer wants to understand how Python evaluates None in Boolean contexts. What will bool(x) return?

                          Answer: C

                          Explanation:
                          The value None represents the absence of a value and is treated as False in Boolean expressions. Therefore, calling bool(None) returns False, similar to empty containers or zero values.


                          NEW QUESTION # 13
                          A student writes a program using input() to collect user data, then tries to add 5 to the input value without conversion. The program crashes. What is the most likely cause of this behavior?

                          Answer: D

                          Explanation:
                          The input() function always returns a string. Attempting to add an integer to a string causes a TypeError. The input must be explicitly converted using int() or float() before performing arithmetic operations.


                          NEW QUESTION # 14
                          Which task is traditionally or typically performed by a data analyst, and not by a data scientist or analytics specialist? Select the best answer.

                          Answer: D

                          Explanation:
                          Creating summary tables and charts to describe patterns in historical data is a core responsibility of a data analyst, focusing on descriptive analytics and reporting rather than building predictive models, machine learning systems, or engineering data pipelines.


                          NEW QUESTION # 15
                          ......

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