Question

1. which graph is best for showing changes over time?

a. line chart
b. bar graph
c. histogram
d. pie chart

Explanation:

A line chart is designed to show trends and changes over a period of time. It connects data points with lines, making it easy to visualize how a variable evolves. A bar graph is better for comparing discrete categories. A histogram shows the distribution of numerical data. A pie chart is used to display proportions of a whole.

Answer:

A. Line Chart