Wiki User
∙ 11y agoWiki User
∙ 11y ago''Accuracy is the degree of closeness to true value. Precision is the degree to which an instrument or process will repeat the same value. In other words, accuracy is the degree of veracity while precision is the degree of reproducibility.
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accuracy is when you KNOW something and uncertancy is when your not sure
accuracy is the how well it is done. Quality is what something is worth.
To be accurate is to be correct, for example, if you say it will rain tomorrow and it does rain tomorrow, then your prediction was accurate. Precision means to give a finely detailed measurement or observation, rather than an approximation. In the case of the weather prediction, a precise prediction might be on the order of, it will rain a total of 1.68 inches of rain, tomorrow. Such a prediction might or might not be accurate, but if it is, then it is also precise, much more precise than merely predicting that it will rain. Precision includes the concept of accuracy. An observation that is precise but inaccurate is useless; precision is only valuable when it is also accurate. Scientists cannot really choose between accuracy and precision since both are necessary for science to succeed, but accuracy is more fundamental. Something that is approximately correct is worth more than something that is very detailed, but wrong.
''Accuracy is the degree of closeness to true value. Precision is the degree to which an instrument or process will repeat the same value. In other words, accuracy is the degree of veracity while precision is the degree of reproducibility.
The term accuracy describes how far your observation/measurement is from the correct result. Precision describes how repeatable your results are, regardless of their accuracy..
Imagine a dartboard. An accurate measurement would be analogous to hitting the bulls-eye. While a precise measurement is just the tight clustering of shots.
An accurate answer to a question answers the question. The precision depends on the level of accuracy of the answer.
Accuracy is a measure of how close to an absolute standard a measurement is made, while precision is a measure of the resolution of the measurement. Accuracy is calibration, and inaccuracy is systematic error. Precision, again, is resolution, and is a source of random error.
The article at the link below should help you get a handle on the subtle differences between accuracy and precision.
Tycho Brahe (and his assistants) recorded measurements at his observatory on the island of Ven with an accuracy of up to 4 seconds of arc. Most of his measurements were angular measurements between celestial objects (between stars, between planets and stars and between planets).
A precise measurement is an exact measurement.How long,how tall how wide. EXAMPLE-12X5X24Precision refers how close measurements of the same thing are to each other. A precise measurement is one that is similar or the same as previous measurements. A precise measurement does not need to be accurate.precise measurements may not be accurate but will agree with each other. Characteristic of precision is low standard deviation. It is not in all cases proof of accuracy though
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Precision
precision
Accuracy is how close the value that is measured to a true or standard value. While precision is referred as the degree of nearness of the measured values to one another in a repeated same value.