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Accuracy :D

Q: A description of how close a measurement is to the true value of the quantity measured?

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Accuracy

Precision -- the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard

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Definition of Precision: Referring to how close a group of measurements are to each other. Accuracy: Refers to how close the measurement is to the true or accepted value. If the volume of the water was 20 L and I measured it wrong one and got 19, measured it again and got 19, and then measured it a third time and got 19, that would be a PRECISE measurement, since you got the same result three times in a row. It's INACCURATE because it isn't the CORRECT measurement. Hope that helped!

Accuracy in measurement and instrumentation refers to how close a measured value is to the true or known value. It is a measure of systematic error, which denotes how well the instrument or measurement device is calibrated and free from biases. The accuracy is usually expressed as a percentage of the measuring range or as a specified number of units.

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Accuracy

Precision -- the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard

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Approximation

This value is variable, for each type of measurement.

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Definition of Precision: Referring to how close a group of measurements are to each other. Accuracy: Refers to how close the measurement is to the true or accepted value. If the volume of the water was 20 L and I measured it wrong one and got 19, measured it again and got 19, and then measured it a third time and got 19, that would be a PRECISE measurement, since you got the same result three times in a row. It's INACCURATE because it isn't the CORRECT measurement. Hope that helped!

A measurement close to true size is referred to as Precision Measurement.

Accuracy in measurement and instrumentation refers to how close a measured value is to the true or known value. It is a measure of systematic error, which denotes how well the instrument or measurement device is calibrated and free from biases. The accuracy is usually expressed as a percentage of the measuring range or as a specified number of units.

When measuring, there are two types of deviation, accuracy and precision. A measurement is close to the accepted value when it his highly accurate.

This is termed the accuracy of the measurement.