1. A line known to be 150.000 m long, is measured five times with a steel tape in the following order: 150.004, 149.998, 149.997, 150.005, and 149.996 m, respectively. The most accurate of the five measurements is the a. 1* measurement b. 2" measurement c. 3d measurement d. 4" measurement e. 5* measurement 2. The most probable value of several measurements of a line is 546.75 m. If ±0.15 represents the probable error of the mean value, the hances are even that the true value a. is equal to 546.60 m b. is equal to 546.90 m c. lies between 546.60 m and 546.75 m d. lies between 546.75 and 546.90 m as it is also probable that the true value lies outside of these limiting values e. lies between 546.60 and 546.90 m, as it is also probable that the true value lies outside of these limiting values

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Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.