Unformatted text preview: risk, population, random sample, sample survey, margin of error, nonresponse bias, self-selected sample, volunteer sample, observational study, variable, confounding variable, randomized experiment, treatment, random assignment, placebo, statistically significant, practical significance and the morals as summarized on page 8 of the textbook. The Discovery of Knowledge 1. Asking the right question(s). 2. Collecting useful data which includes deciding how much is needed. 3. Summarizing and analyzing data, with the goal of answering the questions. 4. Making decisions and generalizations based on the observed data. 5. Turning the data and subsequent decisions into new knowledge....
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This note was uploaded on 02/03/2010 for the course STAT 200 at Penn State.