Turning Data into Information (Part 2)

How Data is Collected Data collection used to be fairly simple. You wrote down the numbers that you had to and someone would throw it in a spreadsheet, turn it into a nice colorful graph, and present it to the decision makers. Today data can be collected in a continuous stream from a variety of sources and the risk becomes collecting the wrong data rather than not collecting enough data. Some ways to collect data include: Census: Obtains data from every member of a population (usually not practical because of time and cost) Sample Surveys: Obtains data from a subset …