Data and Analytics Data Visualization 2

Question 1

What does a box plot (box-and-whisker plot) display?

Accepted Answer

Distribution summary including median, quartiles, and outliers

Answer

Mean and standard deviation only

Answer

Frequency of each category

Answer

Correlation between two variables

Question 2

Which color scale is recommended for sequential data with a meaningful zero point?

Accepted Answer

Sequential single-hue scale

Answer

Qualitative palette

Answer

Diverging color scale

Answer

Rainbow color scale

Question 3

What is the main purpose of a dashboard in data analytics?

Accepted Answer

To provide a real-time overview of key metrics in one view

Answer

To store raw data efficiently

Answer

To replace detailed analytical reports

Answer

To automate data collection

Question 4

What is a KPI in the context of data visualization?

Accepted Answer

Key Performance Indicator

Answer

Key Process Integration

Answer

Kernel Processing Index

Answer

Known Pattern Insight

Question 5

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

Accepted Answer

Line chart

Answer

Pie chart

Answer

Bar chart

Answer

Scatter plot

Question 6

What is a treemap visualization used for?

Accepted Answer

Displaying hierarchical data as nested rectangles sized by value

Answer

Showing decision tree algorithms

Answer

Mapping geographic data

Answer

Tracking project timelines