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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: SQL and Data Management
Topic 2: Exploratory Data Analysis
Topic 3: Data Visualization and Communication
Topic 4: Statistical Methods and Modeling
Topic 5: Data Acquisition and Pre-Processing	29.2%

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q81-Q86):

NEW QUESTION # 81
How would you extract the last three rows of a DataFrame df using position-based indexing?

A. df.loc[-3:]
B. df.tail(3)
C. df.iloc[-3:]
D. df[-3]

Answer: C

NEW QUESTION # 82
Which type of chart is most appropriate when comparing the distribution of a numerical variable across multiple categories?

A. Box plot
B. Pie chart
C. Line chart
D. Scatter plot

Answer: A

NEW QUESTION # 83
When fetching DATETIME values from a SQL database into Python, which Python data type is most appropriate for storing and manipulating these values?

A. str
B. float
C. time.struct_time
D. datetime.datetime

Answer: D

NEW QUESTION # 84
Which method is used after grouping a DataFrame to compute the average value for each group in a specific column?

A. groupby().mean()
B. groupby().max()
C. groupby().count()
D. groupby().aggregate()

Answer: A

NEW QUESTION # 85
Which method in a Python class is responsible for initializing the object's attributes at the time of creation?

A. __init__()
B. __getattr__()
C. __str__()
D. __main__()

Answer: A

NEW QUESTION # 86
......

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