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Graph 25
A 95% confidence interval of the index value within stations when four samples per year are used for the Newfoundland and Labrador dataset

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Graph 25 A 95% confidence interval of the index value within stations when four samples per year are used for the Newfoundland and Labrador dataset

Note:
The stations are ordered in ascending order of variability and the horizontal lines represent the index category change.
Chart source: Statistics Canada, 2007, Environment Accounts and Statistics Technical Paper Series, volume 2007, number 3, Behaviour Study on the Water Quality Index of the Canadian Council of Ministers of the Environment, catalogue number 16-001-MWE.