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Python Institute PCED-30-02 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Analysis and Visualization | - Data visualization
|
| Data Handling and Processing with Python | - Data manipulation libraries
|
| Python Programming Fundamentals | - Basic syntax and data types
|
| Basic Statistics for Data Analysis | - Descriptive statistics
|
Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
A programmer writes a script to test operator precedence using the expression 3 + 4 * 2 ** 2. The goal is to evaluate the result correctly based on Python's operator hierarchy rules. What result should the script produce?
- A. 49
- B. 35
- C. 19
- D. 28
Correct Answer: C š³ļø
Explanation: Only visible for DumpExam members. You can sign-up / login (it's free).
You are working with city names entered by users. These names may contain inconsistent capitalization and unwanted spaces.
To standardize the data, you want to:
- Remove any leading or trailing whitespace, and
- Capitalize the first letter of each word (e.g., convert "new york" to "New York").
For example:
" New york " ā "New York"
"lOS ANGELES" ā "Los Angeles"
You are given a variable citythat contains the raw input.
Which line of code correctly updates the value of cleaned_cityto apply the required transformation? Select the best answer.
- A. cleaned_city = city.strip().capitalize()
- B. cleaned_city = city.upper().strip()
- C. cleaned_city = city.strip().title()
- D. cleaned_city = city.upper().replace(" ", "")
Correct Answer: C š³ļø
Explanation: Only visible for DumpExam members. You can sign-up / login (it's free).
You are reading a data.csvfile line by line. To prepare each line for formatting with f-strings, you need to remove extra whitespace and split the values by commas.
Which line should you insert to correctly clean and parse the input?
- A. fields = line.split().strip(', ')
- B. fields = line.replace(', ', '|').split('|')
- C. fields = line.strip().split(', ')
- D. fields = line.split(', ').trim()
Correct Answer: C š³ļø
You are reviewing a report that compares the number of weekly client meetings and project completion rates across teams. The table below summarizes the data for each team:
Which statement best describes the data shown above? Select the best answer.
- A. "Gamma and Omega were outliers that inflated the meeting average, but most teams finished about 3 projects per month."
- B. The more meetings a team had, the more projects they finished, especially in high-performing teams like Omega and Delta."
- C. "Teams with 5-6 weekly meetings tended to complete more projects than those with very high or very low meeting counts."
- D. "Project completion numbers were nearly identical across all teams, averaging 3.25 per month."
Correct Answer: C š³ļø
Explanation: Only visible for DumpExam members. You can sign-up / login (it's free).
A dictionary is defined as d = {"a":1, "b":2}. The programmer accesses d["c"]. What happens when this line executes?
- A. Raises KeyError
- B. Adds key automatically
- C. Returns None
- D. Returns 0
Correct Answer: A š³ļø
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