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Accuracy and Precision

Accuracy and Precision. Accuracy. Describes how well the results of an experiment agree with the standard value. Precision. Describes the degree of exactness of a measurement. This number does NOT have to be accurate!. Practice. Correct Value: 62.37 Data A Data B Data C

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Accuracy and Precision

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  1. Accuracy and Precision

  2. Accuracy • Describes how well the results of an experiment agree with the standard value

  3. Precision • Describes the degree of exactness of a measurement. • This number does NOT have to be accurate!

  4. Practice Correct Value: 62.37 Data AData B Data C 63.58 g 62.37 g 39.60 g 61.81 g 62.38 g 39.61 g 64.26 g 62.37 g 39.59 g NO NO YES YES NO YES

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