Question

1. for which of the following research objectives would a pie chart be most suitable?

a. comparing quantities across different categories
b. illustrating the correlation between two variables
c. tracking changes over time
d. showing the composition of a whole

Explanation:

A pie chart is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. It is used to show the composition of a whole as each slice represents a proportion of the total.

• Option a: Bar charts or column charts are more suitable for comparing quantities across different categories.
• Option b: Scatter plots are used to illustrate the correlation between two variables.
• Option c: Line charts are used for tracking changes over time.
• Option d: Pie charts are ideal for showing the composition of a whole as they display parts - to - whole relationships.

Answer:

d. Showing the composition of a whole