mõõtetäpsus

Mõõtetäpsus refers to the degree of closeness of measurements of a quantity to that quantity's actual or true value. It is a crucial concept in metrology and any field involving measurement. High accuracy implies that the measurement is close to the true value. Conversely, low accuracy means the measurement is far from the true value.

Accuracy is distinct from precision. Precision describes the closeness of repeated measurements to each other, regardless of whether they are close to the true value. A measurement can be precise but inaccurate if the measuring instrument is consistently off. For example, a scale that consistently reads 5 kilograms too high is precise (all readings will be close to each other) but inaccurate.

Mõõtetäpsus is often expressed as a percentage of the reading, a fixed value, or a combination of both. For instance, a thermometer might have an accuracy of ±0.5°C. The factors influencing measurement accuracy include the calibration of the instrument, environmental conditions, and the skill of the person taking the measurement. Ensuring high mõõtetäpsus is essential for reliable scientific experiments, quality control in manufacturing, and accurate technical specifications.