If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

When data is presented as a list of numbers, it can be difficult to interpret. If it is summarised in a diagram it is easier to draw conclusions and to compare with a different data set. A box plot is ...

plot is one of the techniques for creating a story. It is used like a blueprint, with the plot, setting, plot start, punch line, etc. written out and organized. Working on the plot at the plot stage ...