Let's break down the essential Excel chart types and how to use them effectively. In an Excel bar chart, each data point is represented by a rectangular, horizontal bar. The length of each bar is ...

Bar graph arrays are light emitting diodes (LEDs) that are used for solid state metering in applications such as audio monitoring, telecommunications, and instrumentation. These rugged board-mounted ...

It is possible to read data and make comparisons using a bar chart. This type of graph, called a dual bar chart, shows the eye colour of year 7 and year 8 students. Image caption, Using the ...

Different types of graph have different uses. A line graph shows how data changes over time. For example, how the volume of traffic changes over a day so you can see the busiest times. A bar chart ...