Question

1. when would you use a pie chart?

a. to compare different groups
b. to track the progress of a project
c. to show parts of a whole
d. to show changes over time

Explanation:

A pie chart is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. Each slice represents a proportion of the whole.

• Option a: Bar charts or column charts are more suitable for comparing different groups.
• Option b: Gantt charts are typically used to track the progress of a project.
• Option c: Pie charts are designed to show parts of a whole. Each slice's size relative to the whole circle represents its proportion.
• Option d: Line charts are commonly used to show changes over time.

Answer:

C. To show parts of a whole