STATS 2B03 Lecture 1: Lecture 1 - Jan 5
24 Jan 2016
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Document Summary
The (target) population consists of all the subjects that are being studied. (ex: canadians, mac students) A sample is a group of subjects selected from population. 2) consists of summarizing and presenting data. (ex: average marks of a test, or a histogram of the marks) 6 on) consists of using a sample to make a conclusion about a population using probability (ch. Example: taking an opinion poll of a sample of a population and making an inference of the whole population based on that) Larger samples lead to more accurate estimate of inferential statistics. The sampled population is the population from which the sample is drawn. Ex: sampled population depends on how you collect the sample (if you were interested in. Canadians, but only chose from people in hamilton) Ex2: if i am interested in the average age of mac students, then the target population is all mac students.
