PCAD-31-02 Valid Dumps Ebook, PCAD-31-02 Visual Cert Exam

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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q141-Q146):

NEW QUESTION # 141
What is the main purpose of using the bootstrapping technique in inferential statistics?

A. To filter outliers from a dataset
B. To increase the number of features in a model
C. To estimate the sampling distribution by resampling with replacement
D. To validate the syntax of SQL queries in Python

Answer: C

NEW QUESTION # 142
Which Pandas methods are commonly used to extract central tendency and dispersion insights from a DataFrame?
(Choose two)

A. var()
B. pivot_table()
C. sort_values()
D. median()

Answer: A,D

NEW QUESTION # 143
Which method is used after grouping a DataFrame to compute the average value for each group in a specific column?

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

Answer: C

NEW QUESTION # 144
Which operations are valid and commonly used on Python lists during data transformation tasks?
(Choose two)

A. Slicing
B. Append
C. Key-value mapping
D. Index-based iteration

Answer: A,B

NEW QUESTION # 145
What is the benefit of using the __name__ == "__main__" construct in Python scripts?

A. It prevents modules from being imported
B. It allows selective execution of code when run as a script
C. It defines the main function in Python
D. It allows access to all global variables

Answer: B

NEW QUESTION # 146
......

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