STAB22H3 Lecture Notes - Lecture 1: Anal Scale, Level Of Measurement, Marginal Distribution
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STAB22H3 Full Course Notes
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Document Summary
A way of reasoning, along with a collection of tools and methods designed to help understand the world. Allows us to understand and model"s variation so that we can picture the imperfect world. Uses data: is a collection of observations, numbers, characteristics or other items) Based on variation: (cid:862)we do not see everything(cid:863), we possibly imperfectly measure. Set of values of qualitative or quantitative variables restated, pieces of data are individual pieces of information. Can be measured by collected and reported and analyzed, where it can be visualized using graphs or images of collection of numbers and characters. Who: individual cases (individuals/people) are the objects by a set of data. What: a variable is any characteristic of an individual case and can take different values on different individual cases. Why: the purpose of the data, to answer specific questions, and to draw conclusions about individual"s other than one we have data for.
