Confidence Intervals example

Confidence Intervals example - about the average clarity of...

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CONFIDENCE INTERVALS Eg. Suppose that we check for water clarity in 50 locations in Lake Tahoe and discover that the average depth of clarity of the lake is 14 feet. Suppose that we know that the standard deviation for clarity (for the entire lake's depth) is 2 feet. What can we conclude
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Unformatted text preview: about the average clarity of the lake with a 95% confidence level? Answer: There is a 95% chance that the mean clarity is between 13.45 and 14.55 ft...
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This note was uploaded on 01/18/2011 for the course GEOG 339 taught by Professor Staff during the Fall '10 term at University of Calgary.

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