Accuracy and precision
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| + | Using a ruler (which varies its length due to bad manufacturing), you want to measure your own height. While measuring your height several times in a row, you recognize that you measure a different height with every measurement. The variation of each measurement around the mean height (your real height) gives you an idea about the precision of the measurement. | ||
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[[Category:Introduction to sampling]] | [[Category:Introduction to sampling]] | ||
Revision as of 08:28, 15 November 2010
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Hier gehts los...
Example:
- Precision:
Using a ruler (which varies its length due to bad manufacturing), you want to measure your own height. While measuring your height several times in a row, you recognize that you measure a different height with every measurement. The variation of each measurement around the mean height (your real height) gives you an idea about the precision of the measurement.
