Question

which graph type is best for showing how data changes over time?
a. histogram
b. pie chart
c. bar chart
d. line graph

Explanation:

• A histogram is used to show the distribution of numerical data.
• A pie chart is used to show proportions of a whole.
• A bar chart is used to compare different categories.
• A line graph is specifically designed to show how data changes over a continuous variable (like time).

Answer:

d. Line Graph