Question

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

Explanation:

A line graph connects data points with lines, making it ideal for visualizing trends over time. A histogram shows the distribution of numerical data. A pie chart displays proportions of a whole. A bar chart compares categorical data. Since the question is about data change over time, the line graph is the best fit.

Answer:

A. Line Graph