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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

1. 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) 19
B) 28
C) 35
D) 49

2. A financial technology company is reviewing its data practices to ensure legal and ethical compliance.
Which of the following actions would support responsible data handling and align with regulations like GDPR, HIPAA, and CCPA? (Choose two.)

A) Implementing encryption for both stored and transmitted customer data.
B) Automatically opting users into data sharing unless they manually change settings.
C) Retaining user data permanently unless users explicitly request deletion.
D) Providing users with a clear explanation of how their data is used and obtaining explicit consent.
E) Limiting data access only to marketing staff to streamline personalization.

3. 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))

4. 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.split(', ').trim()
C) fields = line.strip().split(', ')
D) fields = line.replace(', ', '|').split('|')

5. Which of the following code snippets will output Truefor both printfunctions by correctly identifying the type of each variable and performing valid operations?

A)

B)

C)

D)

Solutions: