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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q114-Q119):

NEW QUESTION # 114
Which characteristics are typically associated with unstructured data formats?
(Choose two)

A. Stored using fixed-width fields and records
B. Lacks predefined data schema
C. Highly tabular and query-friendly
D. Requires parsing or transformation before analysis

Answer: B,D

NEW QUESTION # 115
Which file format is most suitable for exchanging large tabular datasets with consistent column data types across systems?

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

Answer: B

NEW QUESTION # 116
You have a list of product prices, and you need to remove duplicate values while maintaining the fastest performance. Which core data structure should you use?

A. dictionary
B. list
C. set
D. tuple

Answer: C

NEW QUESTION # 117
When analyzing a dataset, which of the following functions would best help detect skewness or asymmetry in the data distribution?

A. skew()
B. sum()
C. mean()
D. std()

Answer: A

NEW QUESTION # 118
Which Python construct allows you to iterate over a list of dictionary values and apply conditional logic to accumulate numerical values that meet a certain threshold?

A. lambda expression with reduce
B. for loop with if condition
C. while loop with try block
D. filter() function with map

Answer: B

NEW QUESTION # 119
......

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