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Date: 8-3-2021
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Date: 28-2-2021
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The degree to which a given quantity is correct and free from error. For example, a quantity specified as has an (absolute) accuracy of
(meaning its true value can fall in the range 99-101), while a quantity specified as
has a (relative) accuracy of
(meaning its true value can fall in the range 98-102).
The concepts of accuracy and precision are both closely related and often confused. While the accuracy of a number is given by the number of significant decimal (or other) digits to the right of the decimal point in
, the precision of
is the total number of significant decimal (or other) digits.
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