PSYC 2030 Lecture Notes - Lecture 1: Random Assignment
12 May 2016
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25x25 combination/probability example (wise to change your choice) This was introduced when more men in university were being admitted to masters program (i. e. every single dept. ) than women. Perhaps women are applying to the harder department. Natural seen statistic whatever you see is very ambiguous (dent and bump example) Population: a complete group that represents all the members of a certain category. Sample: group under study (drawn from the population) Statistics: study of how to use sample to make conclusions about populations. A number we calculate from the sample (an estimate: descriptive: ways of describing data, inferential: inference, making conclusions (more substantial and difficult) Parameter: a number that describes some property of a population. Consensus: sample of all of these put together. Variable: measurable/data that has more than a single value (can be anything, ie: gender, income, age, height, attitudes about school)
