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Python Institute PCED - Certified Entry-Level Data Analyst with Python : PCED-30-02 Exam Questions
- Exam Code: PCED-30-02
- Exam Name: PCED - Certified Entry-Level Data Analyst with Python
- Updated: Oct 30, 2026
- Q&As: 52 Questions and Answers
About Python Institute PCED - Certified Entry-Level Data Analyst with Python Exam Braindumps
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Python Institute PCED-30-02 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Basic Statistics for Data Analysis | - Descriptive statistics
|
| Python Programming Fundamentals | - Basic syntax and data types
|
| Data Handling and Processing with Python | - Data manipulation libraries
|
| Data Analysis and Visualization | - Data cleaning and preprocessing
|
Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
Question #1
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(math.stdev(steps))
print(statistics.mean(steps))
print(statistics.median(steps))
import statistics - 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(statistics.stdev(steps))
print(math.ceil(statistics.mean(steps)))
print(statistics.median(steps))
Correct Answer: D 🗳️
Explanation: Only visible for VCEPrep members. You can sign-up / login (it's free).
Question #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(unique(colors))
color_counts = Counter(colors)
import numpy as np - 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 = len(set(colors))
color_counts = np.unique(colors) - D. from collections import Counter
unique_colors = np.unique(colors)
color_counts = Counter(set(colors))
import numpy as np
Correct Answer: A 🗳️
Explanation: Only visible for VCEPrep members. You can sign-up / login (it's free).
Question #3
A Python loop uses range(5, 0, -2) to iterate backward. The programmer expects a decreasing sequence. Which values will actually be generated when this loop runs?
- A. 5, 4, 3, 2, 1
- B. 5, 3
- C. 5, 3, 1
- D. 4, 2, 0
Correct Answer: C 🗳️
Explanation: Only visible for VCEPrep members. You can sign-up / login (it's free).
Question #4
A Python developer is testing truth values of different data types using the bool() function. The expression bool([0]) is evaluated in the script. What result should be expected when this expression is printed?
- A. True
- B. False
- C. None
- D. Error
Correct Answer: A 🗳️
Explanation: Only visible for VCEPrep members. You can sign-up / login (it's free).
Question #5
A dictionary is defined as d = {"a":1, "b":2}. The programmer accesses d["c"]. What happens when this line executes?
- A. Returns 0
- B. Adds key automatically
- C. Returns None
- D. Raises KeyError
Correct Answer: D 🗳️
Explanation: Only visible for VCEPrep members. You can sign-up / login (it's free).
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