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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Statistical Methods and Modeling
SQL and Data Management
Exploratory Data Analysis
Data Visualization and Communication
Data Acquisition and Pre-Processing	29.2%

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q46-Q51):

NEW QUESTION # 46
Which method is typically used in Pandas to check if a column contains only values within an expected range?

A. df.sample()
B. df.sort_values()
C. df.clip()
D. df.isin()

Answer: D

NEW QUESTION # 47
Which storage system is best suited for storing and retrieving large volumes of unstructured data, such as images or logs?

A. Object storage systems
B. In-memory databases
C. Relational databases
D. Data cubes

Answer: A

NEW QUESTION # 48
Which element is essential to justify a conclusion drawn from a dataset?

A. File format of the source data
B. Logical reasoning and supported metrics
C. The origin of the dataset
D. The use of color in plots

Answer: B

NEW QUESTION # 49
Which file format is most suitable for exchanging large tabular datasets with consistent column data types across systems?

A. .json
B. .csv
C. .txt
D. .xml

Answer: B

NEW QUESTION # 50
When analyzing a sales dataset using Pandas, which of the following techniques help extract key insights by grouping and summarizing the data?
(Choose two)

A. Applying agg() to calculate multiple metrics like mean and max
B. Using rename() to change column headers
C. Using groupby() to compute total sales per region
D. Using fillna() to replace missing product prices

Answer: A,C

NEW QUESTION # 51
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