最新のPCAD-31-02問題集で試験を準備する

Python Institute PCAD-31-02 試験概要:

Python Institute PCAD-31-02 試験シラバストピック:

Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) 認定 PCAD-31-02 試験問題：

1. When merging two Pandas DataFrames using a common key, which parameters are essential to ensure accurate and conflict-free results?
(Choose two)

A) ignore_index
B) suffixes
C) on
D) dropna

2. Which refinements are typically used to enhance clarity and presentation quality in visualizations?
(Choose two)

A) Customizing tick labels
B) Disabling grid lines in all cases
C) Adding descriptive axis labels
D) Avoiding color entirely

3. Which data collection method is most appropriate when gathering opinions from a target audience at scale?

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

4. What is the primary purpose of using annotations in a data visualization?

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

5. Which technique would be most appropriate to handle missing numerical values in a dataset intended for machine learning?

A) Replacing with NULL
B) Dropping all columns
C) Filling with random values
D) Imputation using mean or median

質問と回答：