Free PDF Quiz Python Institute - PCED-30-02 New Dumps Ebook

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Python Institute PCED-30-02 Exam Syllabus Topics:

Section	Objectives
Topic 1: Basic Statistics for Data Analysis	- Descriptive statistics 1. Variance and standard deviation 2. Mean, median, mode
Topic 2: Python Programming Fundamentals	- Basic syntax and data types 1. Control flow basics 2. Variables and operators
Topic 3: Data Analysis and Visualization	- Data cleaning and preprocessing 1. Data transformation techniques 2. Missing values handling - Data visualization 1. Matplotlib basics 2. Plot interpretation
Topic 4: Data Handling and Processing with Python	- Data manipulation libraries 1. Pandas fundamentals 2. NumPy basics - Working with data structures 1. Iterating and transformations 2. Lists, tuples, dictionaries

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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q46-Q51):

NEW QUESTION # 46
You want to safely read the contents of a file named records.txtand store them in a list. Your requirements are:
- The file should be automatically closed after reading,
- The code should check whether the file exists before opening it, and
- It should handle missing file errors gracefully.
Which of the following is the most appropriate way to accomplish this task in Python? Select the best answer.

Answer: B

Explanation:
It uses a context manager to automatically close the file after reading and wraps the operation in a try-except block to gracefully handle a missing file error, assigning an empty list if the file is not found.

NEW QUESTION # 47
The following chart shows how a student spends 24 hours in a day:

Which statements are most accurate? (Choose two.)

A. School and homework together take up half of the day's time.
B. Leisure and meals combined equal the time spent at school.
C. More time is spent commuting than on leisure.
D. Sleep and school take up the majority of time in a day.
E. Leisure accounts for a moderate portion of the student's daily schedule, larger than commuting but smaller than the time spent at school.
F. Commuting is the second most time-consuming activity.

Answer: D,E

Explanation:
The largest portions of the chart are sleep and school, and together they clearly make up more than half of the day. Leisure appears as a mid-sized segment that is larger than commuting but smaller than school, fitting the description of a moderate portion.

NEW QUESTION # 48
A list is reversed using slicing: lst[::-1]. The programmer wants to confirm whether this modifies the original list or creates a new one. What is the correct behavior?

A. Error
B. Modifies original
C. Creates new list
D. Returns None

Answer: C

Explanation:
Slicing creates a new list object rather than modifying the original. The expression lst[::-1] returns a reversed copy, leaving the original list unchanged.

NEW QUESTION # 49
What will be the output of the following code?

A. 10 10
B. 5 10
C. 10 5
D. 5 5

Answer: D

Explanation:
The function declares the variable as global and assigns it the value 5. When the function is called, it updates the global variable and returns 5, so both the returned value and the global variable printed afterward are 5.

NEW QUESTION # 50
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. Providing users with a clear explanation of how their data is used and obtaining explicit consent.
B. Retaining user data permanently unless users explicitly request deletion.
C. Automatically opting users into data sharing unless they manually change settings.
D. Limiting data access only to marketing staff to streamline personalization.
E. Implementing encryption for both stored and transmitted customer data.

Answer: A,E

Explanation:
Encrypting stored and transmitted data protects sensitive information from unauthorized access and supports regulatory requirements for data security. Providing clear explanations of data usage and obtaining explicit consent ensures transparency and aligns with core principles of data protection regulations such as lawful processing and user rights.

NEW QUESTION # 51
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