Chapter 13 Bar Graphs and Line Plots
* Bar graphs and line plots help to organize data. Bar graphs are used to compare data. Line plots show how data is spread out.
Vertical - An upright position.
Horizontal - At a right angle to vertical, parallel to ground level.
Axis - An axis is a grid line that can be either vertical or horizontal.
Scale - The numbers that run along the vertical or horizontal axis of a graph that show the value of the bar.
Line plot - A line plot is a diagram that uses a number line to show how often an event happens.
Survey - A survey is a method of collecting information or data.