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Margin of Error is written by Claire Hoy and published by . It's available with International Standard Book Number or ISBN identification 1550131729 (ISBN 10) and 9781550131727 (ISBN 13).
Hoy looks at the use of public opinion polling and how it has influenced government decisions. He describes the history of its use in Canada, from the 1930's on, weaknesses in methodology, and relationships between pollsters and media.