Save guides, add subjects and pick up where you left off with your BBC account. Bar graphs are used to show sets of data in more specific categories. 32 students were asked which season was their ...

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 ...

and a Nano in a nifty 3D printed box up top to do some math and display the number of cans remaining as a simple bar graph. The sensor reads one bay, and the code multiplies by two to get the total.