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Against All Odds : Inside Statistics
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Mathematics — Study and Teaching
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Experimental
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1.

Experimental Design [electronic resource]

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Covers the advantages of planned data collection over anecdotal evidence or available data. Distinguishing between observational studies and experiment, it focuses on basic design principles including comparison, randomization and replication.
Online
1989
2.

Blocking and Sampling [electronic resource]

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Covers further principles of design, including two or more factors and blocking. Topics include sample surveys, the danger of bias and random sampling.
Online
1989
3.

Samples and Surveys [electronic resource]

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Covers elaborate sample designs, such as stratified and multistage designs. Discusses the practical difficulties of a sampling distribution and sampling human populations. Uses a 1936 Gallup election poll to illustrate the problem of undercoverage.
Online
1989