Data Visualization & Analysis Flashcards

Which Python library is commonly used for data visualization?

Answer: Matplotlib

Matplotlib is a widely used Python library that provides tools for creating static, animated, and interactive visualizations.

What is the primary purpose of Seaborn in data visualization?

Answer: Statistical data visualization

Seaborn is built on Matplotlib and specializes in statistical data visualization, offering beautiful and informative visualizations with minimal code.

Which chart type is best for showing data trends over time?

Answer: Line chart

A line chart is ideal for visualizing trends over time, showing how values change continuously.

Which tool can be used to create interactive dashboards in Python?

Answer: Plotly

Plotly is a powerful library that allows for interactive visualizations and dashboards, often used in web-based applications.

How does a histogram differ from a bar chart?

Answer: Histograms show distributions; bar charts show categories

A histogram is used for showing the distribution of continuous data, whereas a bar chart represents categorical data.

Which method is used in Pandas to create summary statistics of a dataset?

Answer: describe()

The `describe()` method in Pandas generates summary statistics, including mean, standard deviation, and percentiles of a dataset.