A rover on the planet Mercuria has to visit six sites labeled A through F.  The table below shows the time (in days) for the rover to travel between any two sites. a)  Find the cheapest-link tour for these sites.  How long is it? (Days) b)The tour A,B,D,E,C,F,A is an optimal tour for the rover.  Given that, find the relative error of the cheapest-link tour you found in (a).  The relative error of that tour is Answer%.  [Round your answer to the nearest hundredth of a percent.]

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.