Histogram

Histogram

The Histogram is a typical frequency plot. The Histogram – is a commonly known format – can be overlaid with a normal curve – gives a graphical impression of large sample sizes (the scale needs to be carefully looked at) Read also: Dot Plot,...

Stratification

Stratification is the process of subdividing a group of data based on a particular characteristic in order to provide better insight into the data pattern. Frequency plots can be stratified by a discrete X variable (e.g. day of the...

Boxplot

The Boxplot is a typical frequency plot containing a lot of information in the graph. It is a graphical analysis tool used to investigate the effect of discrete inputs (X) on continuous outputs (Y). Graphical Interpretation: – The box contains 50% of all the...