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 loop includes a break statement when a condition is met. The programmer wants to understand how break affects loop execution. What happens when break is executed inside the loop?
A) Error
B) Loop ends immediately
C) Skips one iteration
D) Loop restarts
3. A program uses while False: followed by print statements inside the loop. The developer expects output. What will actually happen during execution?
A) No execution
B) Error
C) Infinite loop
D) Prints once
4. Which of the following code snippets will output Truefor both printfunctions by correctly identifying the type of each variable and performing valid operations?
A) 
B) 
C) 
D) 
5. You are writing a function named process_data()to read and process numerical input from a file. The function must:
- read the file data.txt,
- attempt to convert the first line into an integer,
- handle file, conversion, or index-related exceptions,
- print the value only if no error occurs,
- and always print a final message after execution.
Which implementation correctly and robustly meets all these conditions? Select the best answer.
A) 
B) 
C) 
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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