HRSS3101 Study Guide - Final Guide: Response Bias, Sampling Frame, Statistical Significance

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9 Aug 2018
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Also called subjects or individuals in the sample. Why do we want an independent random sample? affected by observations already collected: we want a sample representative of the wider population variable in a class of 100 children is equally as likely to be sampled/chosen. Observations or measurements of a variable collected on a subset of some larger. Characteristics of interest in the population, thing that changes. Random : if all values of our variable in the population are likely to be sampled i. e. every. Independent o if they chance any values of our variable being sampled are not. General recipe for drawing conclusions from representative sample : sample collect a suitable representative sample, informal analysis explore data through graphs, averages etc, formal analysis apply appropriate statistical tests to draw conclusions. Difference between sample and population because sample is non-representative of. Difference between sample and population because of how data was obtained or.