Which term describes an axis-type graph in which data points are joined by a line?

Which term describes an axis-type graph in which data points are joined by a line?

• A. Tips
• B. Line graph
• C. Bar graph
• D. Pie chart

Answer: (B)

A line graph is used when you want to see how values change over time or across a continuous variable. It uses two axes to plot each data point and then connects successive points with a line, so trends, increases, and decreases become easy to spot at a glance. This makes it the best fit for showing progression or rate of change between measurements. The other visuals describe different ideas: a bar graph compares quantities across categories with bars and doesn’t inherently show a connected progression; a pie chart breaks a whole into slices to show proportions; and the remaining option doesn’t correspond to a standard graph type.

A line graph is used when you want to see how values change over time or across a continuous variable. It uses two axes to plot each data point and then connects successive points with a line, so trends, increases, and decreases become easy to spot at a glance. This makes it the best fit for showing progression or rate of change between measurements.

The other visuals describe different ideas: a bar graph compares quantities across categories with bars and doesn’t inherently show a connected progression; a pie chart breaks a whole into slices to show proportions; and the remaining option doesn’t correspond to a standard graph type.