The following are the interior angles of a triangle which were observed with the same precision. Determine the weighted Most Probable Values for angle A, B and C where the weight of correction per angle is assumed to be proportional to the number of times it has been repeated. Angle A B C Measured Angle 41° 77º 63° Number of Repetitions 5 6 2

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Errors in surveying

An error in surveying is defined as the difference between two or more values of an identical quantity. However, the estimates are never accurate and there will always be a degree of variability regardless of the research tool or method used. These differences are known as errors that need to be reduced or eliminated to maintain certain levels of accuracy. Even if you carefully follow the prescribed test procedures, the considerations may contain errors.