Tag Archives: random errors
![normal distribution](/wp-content/uploads/2015/06/Figure-1-Normal-Distribution-272x192.jpg)
Surveying Statistics
Part 2: The Normal Distribution Part 1 of this series appeared in the May 2015 issue. Errors in observations can be classified as systematic or random. Systematic errors follow physical laws and can be mathematically corrected or removed by following proper field procedures with instruments. For example, the expansion or contraction of a steel tape...