Statistical Sciences 1023A/B Lecture Notes - Lecture 2: Aspirin
30 Jan 2017
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Document Summary
Data: plural word referring to a collection of numbers or other pieces of information to which meaning has been attached. For example, numbers 1,3, and 10 are not necessarily data, but become data when told these were weight gains in grams of 3 infants in salks heartbeat study. (numbers with context) The meaning attached to data and the results depend on how well the information was obtained and summarized. The source of the research and of the funding. The researchers who had contact with the participants. The individuals or objects studied and how they were selected. The exact nature of the measurements made or questions asked. The setting in which the measurements were taken. Differences in the groups being compared, in addition to the factor of interest. The extent or size of any claimed effects or differences. Component 1: the source of the research and of the funding: By government/private companies to make wise policy decisions.
