In order to calculate this value we must first understand what the lower quartile, median and upper quartile are: the lower quartile is the median of the lower half of the data. The \(\frac{(n+1)}{ ...

The lower and upper hinges are the ... in some circumstances than those based on quartiles. Aspects of the box plot such as width, whisker position, notch size and outlier display are subject ...

Save guides, add subjects and pick up where you left off with your BBC account. When data is presented as a list of numbers, it can be difficult to interpret. If it is summarised in a diagram it ...