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Python Institute PCED-30-02 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Basic Statistics for Data Analysis | - Descriptive statistics
|
| Topic 2: Python Programming Fundamentals | - Basic syntax and data types
|
| Topic 3: Data Handling and Processing with Python | - Working with data structures
|
| Topic 4: Data Analysis and Visualization | - Data cleaning and preprocessing
|
Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
1. You are given two lists representing daily page views and sign-ups on a website:
views = [120, 130, 128, 700, 115, 123, 119, 680, 122]
signups = [12, 15, 13, 50, 11, 14, 10, 55, 13]
You want to:
- remove outliers (views > 600), and
- calculate correlation between the cleaned lists.
Which code accomplishes this correctly? Select the best answer.
A)
B)
C)
D) 
2. A variable is assigned using chained assignment: a = b = c = 10. The developer then changes b =
5. What will be the value of a after this operation?
A) None
B) 10
C) 5
D) Error
3. A list is reversed using slicing: lst[::-1]. The programmer wants to confirm whether this modifies the original list or creates a new one. What is the correct behavior?
A) Creates new list
B) Modifies original
C) Returns None
D) Error
4. You are creating a presentation slide to communicate findings about student stress levels across four categories over a six-month period. You include the following line graph in your presentation:
Your goal is to help your audience clearly understand trends in stress levels over time.
What is the highest problem with this visual presentation? Select the best answer.
A) The months should be replaced with week numbers to provide more detailed insight.
B) The graph doesn't explain what each stress level means or show exact values for each month, which limits interpretation.
C) The lines are too light and similar in color, making it difficult to distinguish between trends.
D) The chart should be in 3D format to show depth and highlight differences more clearly.
E) The font used in the chart is hard to read; using larger, uppercase text would improve clarity.
5. You have a list of test scores, where each entry includes a student name and a score. Some students appear more than once. You want to compute the average score for each student and store the results in a dictionary. Here's the partial code block:
Which code correctly replaces the # MISSING CODE comment to calculate the average score for each student? Select the best answer.
A)
B)
C)
D) 
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: B |





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