Exam Name: PCED - Certified Entry-Level Data Analyst with Python
Certification Provider: Python Institute
Corresponding Certification: Python Institute PCED
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Instant Download Python Institute : PCED-30-02 Questions & Answers as PDF & Test Engine
Updated: Sep 29, 2026
No. of Questions: 52 Questions & Answers with Testing Engine
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Python Institute PCED-30-02 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Handling and Processing with Python | - Working with data structures
|
| Topic 2: Python Programming Fundamentals | - Basic syntax and data types
|
| Topic 3: Data Analysis and Visualization | - Data visualization
|
| Topic 4: Basic Statistics for Data Analysis | - Descriptive statistics
|
Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
You have collected sales data and want to compute the average using the NumPy library.
Which option correctly shows how to install NumPy and use it in your code to perform this task?
- A. To install NumPy:
pip install numpy
Then run this code:
import numpy as np
data = numpy.arr([10, 20, 30])
print(numpy.mean(data)) - B. To install NumPy:
from pip install numpy
Then run this code:
import numpy as np
data = np.array([10, 20, 30])
print(np.mean(data)) - C. To install NumPy:
pip install numpy as np
Then run this code:
import np
data = np.array([10, 20, 30])
print(np.mean(data))
Correct Answer: B 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
You are given the following list of daily step counts:
steps = [8230, 9020, 7640, 8760, 10020, 2546, 9817]
Your task is to calculate:
- the standard deviation of the step counts,
- the average rounded up to the nearest whole number, and
- the median of the step counts.
Which code snippet correctly performs all three tasks? Select the best answer.
import statistics
- A. import math
print(statistics.stdev(steps))
print(math.ceil(statistics.mean(steps)))
print(statistics.median(steps)) - B. import math
print(statistics.variance(steps))
print(math.ceil(sum(steps) / len(steps)))
print(math.floor(statistics.median(steps)))
import statistics - C. import math
print(statistics.stdev(steps))
print(round(math.mean(steps)))
print(math.median(steps))
import statistics - D. import math
print(math.stdev(steps))
print(statistics.mean(steps))
print(statistics.median(steps))
import statistics
Correct Answer: A 🗳️
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A Python script checks membership using "a" in "apple". The developer wants to understand how membership works for strings. What result will this expression produce?
- A. True
- B. None
- C. False
- D. Error
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
A data analyst exports a cleaned dataset from Python and wants to share it with a colleague for easy use in Excel.
Which file format is best suited for this purpose? Select the best answer.
- A. SQL, because it directly converts tabular data into database tables that Excel can open.
- B. JSON, because it stores hierarchical data and is designed for visual presentation in Excel.
- C. CSV, because it stores tabular data in plain text and is compatible with spreadsheet applications.
- D. XML, because it automatically preserves spreadsheet formatting and charts.
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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