Python Institute PCAD-31-02

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

1. Which practices are typically part of the data integration process?
(Choose two)

A) Data encryption
B) Format standardization
C) Neural network training
D) Schema alignment

2. What is the main advantage of using Seaborn over Matplotlib when creating complex statistical visualizations in Python?

A) Seaborn requires no data preprocessing for missing values
B) Seaborn works exclusively with NumPy arrays
C) Seaborn provides high-level abstractions for attractive and informative graphics
D) Seaborn automatically saves plots as image files

3. In supervised learning, what is the primary goal when training a model on labeled data?

A) To learn a function that maps inputs to known outputs
B) To discover hidden patterns without outputs
C) To analyze unstructured data formats like text
D) To cluster data points into similar groups

4. Which actions are considered part of basic data validation tasks in Python using Pandas?
(Choose two)

A) Confirming numeric columns contain only integers
B) Replacing NULL values with placeholders
C) Sorting the data frame by index
D) Checking for duplicate rows

5. Which packages are most commonly used together in a data science workflow for data manipulation and visualization?
(Choose two)

A) flask
B) NumPy
C) pandas
D) Pygame

Solutions: