Get real PCED-30-02 exam questions for better preparation
Real Python Institute PCED-30-02 practice exam questions for easy pass!
Updated: Jul 15, 2026
No. of Questions: 52 Questions & Answers with Testing Engine
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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
1. A loop is designed using range(1, 6, 2) to iterate through numbers. The developer wants to know exactly which values will be generated during execution. Which sequence correctly represents the values produced?
A) 1, 2, 3, 4, 5
B) 1, 3
C) 1, 3, 5
D) 2, 4, 6
2. You are analyzing survey results from students about their favorite colors. The list colorsstores individual responses:
You want to:
- find the number of unique colors mentioned using NumPy, and
- determine how often each color was chosen using Counter.
Which code snippet correctly performs both tasks? Select the best answer.
from numpy import unique
A) from collections import Counter
unique_colors = len(set(colors))
color_counts = np.unique(colors)
B) from collections import Counter
unique_colors = Counter(colors)
color_counts = sum(np.unique(colors))
import numpy as np
C) from collections import Counter
unique_colors = np.unique(colors)
color_counts = Counter(set(colors))
import numpy as np
D) from collections import Counter
unique_colors = len(unique(colors))
color_counts = Counter(colors)
import numpy as np
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) Prints once
C) Infinite loop
D) Error
4. Which task is traditionally or typically performed by a data analyst, and not by a data scientist or analytics specialist? Select the best answer.
A) Designing a data pipeline to ingest and process real-time sensor data.
B) Recommending pricing strategies using predictive modeling and A/B testing.
C) Creating summary tables and charts to describe patterns in historical data.
D) Developing machine learning algorithms to predict user behavior.
5. A script defines a variable x = None and checks its truth value using a conditional statement. The developer wants to understand how Python evaluates None in Boolean contexts. What will bool(x) return?
A) None
B) True
C) False
D) Error
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: C |
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