Data visualization definition. Data visualization is the presentation of data in a graphical format such as a plot, graph, or map to make it easier for decision makers to see and understand trends ...

Numerical Summaries for Your Data Definitions. Arithmetic Mean: (a.k.a. mean) the sum of a set of numbers divided by the number of numbers in the set.. Average: see "Central Tendency.". Bell-Shaped ...

Data presentation is not a primary purpose for diagrams. However, data can be used in limited amounts to reinforce a relationship or interaction that is pivotal to the overall concept. 5. Finally, ...