STAT 3005- Midterm Exam Guide - Comprehensive Notes for the exam ( 34 pages long!)
16 Feb 2018
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Document Summary
Subject refers to any material being measured. Population is a representation of all the possible outcomes or measurements of interest. Samples are subsets of the population to be measured a group of students that represent the population: example: researchers are interested in the average diameter of a full-grown pine tree. 23 trees were randomly selected and the diameters were measured. The population is all of the pine trees. The sample is the 23 trees: example: representatives of the insurance industry want to investigate the monetary loss from earthquake damage in california. From a set of all single-family homes in california, 100 were inspected for inspection. The population is all of the single-family homes in california. Parameters refer to numerical summary of a population. The parameter is almost always unknown since they refer to a large number of potential subjects. Statistics refer to a numerical summary based on a sample from a population.
