STT 201 Lecture Notes - Lecture 1: Frequency Distribution, Categorical Variable
15 Jul 2019
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Describe information, goal: make sense of information in front of you. Draws conclusions about a population based on a small group (sample). Forms a bridge between the descriptive and inferential statistics. To have a probability theory what needs to be present. Systemically recorded information together with it is context. Provides information on who, what, where, when, why and how. A characteristic that differs from one subject to the next. A sample turning into a population evaluation uses. A population turning into a sample evaluation uses. ________ variables can be turned into __________ variables. Variable that names category and tells which category a subject belongs to. In categorical variables each subject will only belong to _________ __________ Variable that takes numerical values for which arithmetic operations make sense. In quantitative variables it is important to ________ _________ _____________ Just because a variable consists of #s, means it is automatically a quantitative variable. Zip codes and phone numbers are an example of.
