CAS MA 115 Study Guide - Comprehensive Final Exam Guide - Regional Policy Of The European Union, Standard Deviation, Simple Random Sample
20 Nov 2018
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Section 1. 1 introduction to the practice of statistics. Individual a person/object from the sample that is being studied (who must be a member of the population: descriptive statistics the process of organizing and summarizing data through numerical summaries (mean, median, mode, etc. What is the question to answer: this can be an observational study or a designed study, 2. Collect data needed to answer the question (from 1). This must be done correctly or else the conclusions drawn will be meaningless: determine the correct method of sampling that is fully representative, 3. This will help narrow down the type of statistical methods the researcher should use: 4. Apply the right techniques to extend the results/conclusions from the sample to a population and report reliability: ex: point estimate (least reliable), confidence interval (most reliable) Section 1. 2 observational studies v. designed experiments. Obtain a frame that lists all individuals of interest and number them 1 to n: 2.
