Python Institute PCED-30-02

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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

1. What will be the output of the following code?

A) 10 10
B) 5 10
C) 10 5
D) 5 5

2. 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)

3. 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)

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 lines are too light and similar in color, making it difficult to distinguish between trends.
B) The font used in the chart is hard to read; using larger, uppercase text would improve clarity.
C) The chart should be in 3D format to show depth and highlight differences more clearly.
D) The months should be replaced with week numbers to provide more detailed insight.
E) The graph doesn't explain what each stress level means or show exact values for each month, which limits interpretation.

5. 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?

A) Syntax error
B) input returns float
C) input returns string
D) input returns int

Solutions: