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Python Institute PCED-30-02 Exam Syllabus Topics:

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

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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q50-Q55):

NEW QUESTION # 50
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. More time is spent commuting than on leisure.
C. Leisure and meals combined equal the time spent at school.
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

NEW QUESTION # 51
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(', ').trim()
B. fields = line.split().strip(', ')
C. fields = line.strip().split(', ')
D. fields = line.replace(', ', '|').split('|')

Answer: C

Explanation:
Stripping removes leading and trailing whitespace from the line, and then splitting on the comma- space delimiter correctly separates the values into a list for further formatting.

NEW QUESTION # 52
What will be the output of the following code?

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

Answer: A

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 # 53
A variable is assigned using chained assignment: a = b = c = 10. The developer then changes b =
5. What will be the value of a after this operation?

A. Error
B. 0
C. 1
D. None

Answer: C

Explanation:
Integers are immutable in Python. Reassigning b to a new value does not affect a or c, which still reference the original integer value 10.

NEW QUESTION # 54
How do the analysis and visualization stages of the data lifecycle typically work together?

A. Analysis retrieves raw inputs from dashboards, while visualization uses that input to clean the data.
B. Analysis identifies patterns and insights in processed data, which are then communicated through visualizations for informed decision-making.
C. Analysis summarizes archived data, and visualization transforms it into structured tables for storage.
D. Analysis produces charts and graphs, while visualization interprets the data to detect outliers.

Answer: B

Explanation:
Analysis involves examining processed data to uncover patterns, trends, and insights, and visualization presents those findings in graphical form so stakeholders can clearly understand and act on the results.

NEW QUESTION # 55
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