The horizontal axis typically displays the measured value – either a continuous numerical variable, such as height, distance or time or a discrete, countable value, such as number of items. Histograms are used to measure how frequently values or value ranges appear in a set of data. The histogram is a graph that is often used in mathematics and statistics. What is a histogram and how does it help you analyse your data? What is a histogram diagram? They are the preferred method of presenting large amounts of data in a simple straightforward manner. Histograms are a great way to visualise data and track key performance indicators because they are so clear and simple to read.
