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Python Institute PCED-30-02 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Analysis and Visualization | - Data cleaning and preprocessing
|
| Data Handling and Processing with Python | - Working with data structures
|
| 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 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. Bubble chart
- B. Pie chart
- C. Bar chart
- D. Line chart
Correct Answer: C π³οΈ
Explanation: Only visible for DumpsTorrent 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.stdev(steps))
print(round(math.mean(steps)))
print(math.median(steps))
import statistics - C. import math
print(statistics.variance(steps))
print(math.ceil(sum(steps) / len(steps)))
print(math.floor(statistics.median(steps)))
import statistics - D. import math
print(math.stdev(steps))
print(statistics.mean(steps))
print(statistics.median(steps))
import statistics
Correct Answer: A π³οΈ
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
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 as np
Then run this code:
import np
data = np.array([10, 20, 30])
print(np.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
Then run this code:
import numpy as np
data = numpy.arr([10, 20, 30])
print(numpy.mean(data))
Correct Answer: B π³οΈ
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
A program compares two values using == and is. The variables a = 256 and b = 256 are defined.
What is the expected result of a is b in most Python implementations?
- A. True
- B. False
- C. None
- D. Error
Correct Answer: A π³οΈ
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
An e-commerce site records every product view and purchase.
Which of the following best describes how these logs become marketing insights?
- A. Raw event logs are structured, analyzed, and interpreted into information - like conversion rates by product - which then builds knowledge of customer preferences.
- B. Raw event logs are filtered, aggregated, and formatted into summaries - like total visits per category - which then provide traffic reports.
- C. Raw event logs are stored, archived, and indexed - like by user ID and session - which then facilitate audit trails.
- D. Raw event logs are validated, organized, and compiled into datasets - like timestamped user actions - which then support system debugging.
Correct Answer: A π³οΈ
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
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