Stat 1124 - Experiments - Ch 9

Stat 1124 - Experiments - Ch 9 - Statistical Methods I Unit...

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Statistical Methods – I Unit 2 – Experiments Albert Wong, Ph.D. Langara College January 2009 Experiments A study that imposes some treatment on individuals in order to observe and statistically compare their responses The purpose is to study whether the treatment causes significant changes in the response. Terminology An individual being studied in an experiment is often called a subject . The explanatory variables is an experiment are often called factors . • A treatment is any specific experimental condition applied to the subjects. If an experiment has several factors, a treatment is a combination of specific values of each factors
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