Save guides, add subjects and pick up where you left off with your BBC account. Graphs are drawn to show experimental data obtained during scientific experiments. It is important to consider the ...

Key Points The Plackett-Burman design method is one of the most useful tools when you don’t have all the data available for ...

The plots should be accurately plotted. The plots should be joined with the appropriate straight line or curve. Graphs are then used to identify trends present within the experimental data.