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Python Institute PCED-30-02 Exam Syllabus Topics:

Section	Objectives
Data Handling and Processing with Python	- Data manipulation libraries 1. Pandas fundamentals 2. NumPy basics - Working with data structures 1. Lists, tuples, dictionaries 2. Iterating and transformations
Data Analysis and Visualization	- Data cleaning and preprocessing 1. Data transformation techniques 2. Missing values handling - Data visualization 1. Plot interpretation 2. Matplotlib basics
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

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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q14-Q19):

NEW QUESTION # 14
A program uses while False: followed by print statements inside the loop. The developer expects output. What will actually happen during execution?

A. Error
B. Prints once
C. Infinite loop
D. No execution

Answer: D

Explanation:
The condition False is evaluated before entering the loop. Since it is always false, the loop body is never executed, and no output is produced.

NEW QUESTION # 15
Consider the following Python code:

What will be printed when the code above is executed?
40

A. [10, 20, 30, 40]
1
[1, 2, 4, 5, 6]
50
B. [20, 30, 40]
1
[1, 2, 4, 5, 6]
C. [10, 20, 30, 40]
0
[1, 2, 3, 4, 5, 6]
50
D. [20, 30, 40]
1
[1, 2, 4, 5, 6]
50

Answer: B

Explanation:
The last element of the original list is 50. The slice from index 1 up to (but not including) index 4 is
[20, 30, 40]. After removing 30 and appending 60, the list contains one occurrence of 10, and integer division by 10 produces [1, 2, 4, 5, 6].

NEW QUESTION # 16
A script attempts to divide two numbers using / and //. The values are 7 and 2. The developer wants to understand the difference between true division and floor division. What are the results respectively?

A. 4 and 3
B. 3 and 4
C. 3 and 3.5
D. 3.5 and 3

Answer: D

Explanation:
The / operator performs true division, returning a float result of 3.5. The // operator performs floor division, truncating the decimal part and returning the integer value 3.

NEW QUESTION # 17
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.

A. Line chart
B. Pie chart
C. Bar chart
D. Bubble chart

Answer: C

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 # 18
What will be the output of the following code?

A. 5 5
B. 10 10
C. 5 10
D. 10 5

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 # 19
......

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