MAS 201- Final Exam Guide - Comprehensive Notes for the exam ( 25 pages long!)
4 Dec 2017
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Population: collection of all units under study. Sample: subset of the population used for analysis. Descriptive statistics: collection of methodologies used to describe a set of data. Inferential statistics: methodologies used to make an inference about a population based on the sample. Primary sources: data is considered obtained from a primary source when the actual raw data is obtained from the originating source. Secondary sources: data is obtained from secondary source when data has been compiled by a third party. Numerical: discrete: takes on only whole numbers, continuous: between any 2 values where there is another value. Why sample: more expedient, more efficient, less costly. Frame-listing of all entities comprising the population. Exclusion from the frame: non-response error. Respondents not willing to answer: sampling error. Difference between sample and population: measurement error. Presenting data in tables and charts numerical data.
