A line 100m long was paced four times by a surveyor with the following data: 152, 153.5, 154.5, and 155. Another line was paced four times by the same surveyor with the following data: 584.5, 582, 581.5, and 585. a. Determine the length of the line. b. What is the corrected length of the line if the relative precision is exactly 1/500?

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Professional survey

A professional survey is a systematic questionnaire that the target audience fills out online, usually by filling out google forms. Professional surveys can vary in length and format. The data is stored on a website and the testing tool usually provides a certain level of data analysis in addition to a professional expert review. Several professional online survey softwares are present worldwide like, SoGoSurvey, SurveyGizmo, SurveyMonkey, Qualtrics, and so on.