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DSST Principles of Statistics Exam Prep

Category - DSST Statistics Free Test Prep

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What are the advantages of using the Least Squares Method rather than the Compass Rule adjustment to address traverse closure errors?
  1. The least squares method results in a weighted means adjustment.
  2. The least squares method may be used to adjust any type of data to meet geometric conditions and reflect statistical considerations.
  3. Free computer software programs are readily available to solve complex equations.
  4. All of the above
Explanation
Answer: D - The advantages of using the Least Squares Method rather than the Compass Rule adjustment to address traverse closure errors include all of the listed reasons. Using the Compass Rule to adjust traverses results in an even distribution of the error closure throughout the entire traverse, rather than applying an adjustment at a point where the error may have more likely occurred. There are many sources of free software programs that perform least squares adjustment, including Adjust and Utilities (National Geodetic Survey) and Star*Net (MicroSurvey - demonstration software only).
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