Reading information(data) and figuring out its meaning(interpreting).
Any kind of graph can be used for discrete data.
It can be used to describe continuous or discreet data but not categorical or ordered data, unless that data is also numercal which is very unlikely
The median is used when reporting ordinal data.
Can the median and mode be used to describe both categorical data and numerical data
There are many such systems of diagrams used to aid program design (e.g. data flow diagrams, entity relationship diagrams, control flow diagrams, flowcharts).
data flow diagram for civil supply services
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Data Flow Diagram
The purpose of a data flow diagram is to show you how the data flows through an information system. A sequence diagram shows you information regarding how the processes work together and in what order they operate.
Data and control flow diagrams
Sankey diagrams are a type of flow diagram that describes the flow of resources proportional to the flow quantity. It is used in many industries and used to highlight necessary flows. Disadvantages of Sankey Diagram: Audiences who don't have enough idea on data visualization feel difficulty in understanding Sankey diagrams. Sankey diagrams make it hard to understand the flows of similar widths. This diagram requires a long explanation as everyone is not familiar with it.
data flow diagrams of personal banking system
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i need data flow diagram for redbus.in
Design
Data flow diagrams (DFDs) are primarily used in software development and systems analysis to visualize and document the flow of data within a system. They help in understanding the processes, data stores, and data flow within a system, making it easier to analyze, design, and communicate system requirements and functionality. DFDs are commonly used in the early stages of system development to facilitate discussion between stakeholders and ensure a common understanding of the system.