Blocking and sampling

United States, 1988

Film
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Episode number 13 of Series “Against all odds: inside statistics”.
When setting up an experiment one must consider if the subjects differ in any systematic way that may effect the results. Blocking is used when subjects share the same characteristics but when there may be some variability, as in agricultural experiments, such as the example shown, of testing new varieties of strawberries. A census counts everything but obviously has inherent difficulties which are illustrated. Sampling is a way of circumventing these difficulties and some of the problems of true representation are shown.

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Credits

director

Jill Singer

producer

Peggy Girshman

production company

American Statistical Association

Chedd-Angier Productions

COMAP

Duration

00:30:00:00

Production places
United States
Production dates
1988

Appears in

Against all odds: inside statistics

Group of items

Against all odds: inside statistics

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