Question

Differentiate between pie charts, line charts and column charts respectively.

Answer 1

Feature	Pie Chart	Line Chart	Column Chart
Visual Appearance	Divided into proportional slices of a single circle.	Data points connected by straight line segments.	Vertical rectangular bars of varying heights.
Primary Purpose	Shows part-to-whole relationships and percentages out of 100%.	Displays continuous trends and patterns over time.	Illustrates side-by-side comparisons among items or time periods.
Data Series Limit	Strictly limited to one single data series.	Can plot multiple data series simultaneously.	Can plot multiple data series simultaneously.
Axis Layout	No axes (X and Y axes do not exist in circular charts).	Uses a Horizontal (Category) axis and a Vertical (Value) axis.	Uses a Horizontal (Category) axis and a Vertical (Value) axis.
Category Limit	Best restricted to 5 to 7 categories to avoid clutter.	Can handle many categories smoothly across a long timeline.	Best used for fewer categories so bars do not become too thin.
Business Example	Displaying budget distribution or total market share.	Tracking daily stock prices or monthly sales growth.	Comparing sales performance of different products this quarter.