In a graph, a key will visually connect a particular marker, such as a circle, triangle, or line style, to the data it represents. In most cases, when you see a box containing these markers and labels beside a chart, it can be called either the legend or the key.

One key aspect of these graphs is the use of a key, also known as a legend. A key is the explanation of the symbols or variables used in the graph or map. It provides clarity and understanding to viewers by showing what each symbol represents.

A key on a graph (also known as a legend) is a visual representation that explains the meaning of the symbols or colors used in the graph. It helps the reader understand the variables or objects represented in the chart or graph and provides an example or explanation …

Data can be represented and interpreted in scaled bar graphs, scaled picture graphs and line plots. In Grade 2, created picture graphs and bar graphs and solved simple problems using information from a bar graph. Explain how to interpret data from a tally table and frequency chart?

Graph scale. A graph scale, or simply scale, refers to a set of numbers that indicate certain intervals on a graph used for measurement. There are many different types of graphs, including bar graphs, histograms, line graphs, and many more.