Which statement correctly distinguishes accuracy from precision in surveying?
Correct answer: B. Accuracy is closeness to truth, while precision is repeatability
- A. Accuracy is repeatability, while precision is closeness to truth
- B. Accuracy is closeness to truth, while precision is repeatability
- C. Accuracy concerns angles, while precision concerns distances
- D. Accuracy concerns maps, while precision concerns instruments
Explanation
Accuracy describes how close a measured value is to the true value. Precision describes how closely repeated measurements agree with one another, even if they are consistently biased.
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About Surveying
Surveying covers measurement of distances, angles and elevations, traversing, levelling, contouring, plane table work, theodolites, total stations and basic photogrammetry. It includes error adjustment, coordinate calculations, area and volume determination, and the distinction between accuracy and precision, as well as between temporary and permanent adjustments.
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