PCAD-31-02權威考題 & PCAD-31-02測試

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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

>> PCAD-31-02權威考題 <<

PCAD-31-02測試，PCAD-31-02熱門考古題

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最新的 Python Institute Certification PCAD-31-02 免費考試真題 (Q15-Q20):

問題 #15
Which of the following statistical measures are considered measures of central tendency?
(Choose two)

A. Interquartile range
B. Mean
C. Mode
D. Variance

答案：B,C

問題 #16
Which data collection method is most appropriate when gathering opinions from a target audience at scale?

A. Surveys
B. Transactional data
C. Sensor logs
D. Web scraping

答案：A

問題 #17
Which of the following practices contributes most to making Python scripts modular and maintainable?

A. Using global variables freely
B. Writing all logic in the global scope
C. Structuring code with reusable functions and modules
D. Hard-coding file paths in every function

答案：C

問題 #18
What is the primary purpose of using annotations in a data visualization?

A. To enhance interactivity in static plots
B. To ensure faster rendering in large datasets
C. To highlight important data points and provide contextual information
D. To replace the need for axes

答案：C

問題 #19
What is the key difference between the .iloc[] and .loc[] accessors when working with Series or DataFrames?

A. .iloc[] is position-based, while .loc[] is label-based
B. .loc[] can only be used on Series
C. .loc[] does not allow slicing
D. .iloc[] allows label-based selection

答案：A

問題 #20
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