35 We could show this data in a bar chart, but it would have a lot of bars! We can group them together so that we have fewer categories. When choosing intervals for the data sets make sure that ...

The maximum stock level is the largest amount of stock a business can store on site. In the bar graph example, it is 500 items of stock. The minimum stock level is also known as buffer stock.

This VU meter uses Nixie tubes as the display. There are a total of fourteen IN-13 bar graph tubes that map out the audio spectrum. The build uses purely hardware for the display; no ...