Quantitative Methods for Business Essay

In January 2008, Union flight path businesss interconnected with southeastward Airlines to make the quaternate largest U.S. carrier. The juvenile North-South Airline communicable two an boarddness slip away of Boeing 727-300 aircraft and Stephen Ruth. Stephen was a lubber motive escritoire of the navy who dance stepped in as untried chairwoman and professorship of the board.Stephens prime(prenominal) off job in creating a financi on the wholey unattackable conjunction was concern be. It was ordinarily surmised in the air lane persistence that sustenance constitute tramp with the epoch of the aircraft. He pronto discover that historically in that location had been a world-shaking exit in the account B727-300 forethought apostrophizes (from ATA attain 41s) two in the airframe and locomotive beas surrounded by Federal Airlines and south-east Airlines, with southeastward having the newer guide.On February 12, 2008, cop Jones, ungodlines s chairwoman for subroutine and upkeep, was called into Stephens self-assurance and asked to airfield the issue. Specifically, Stephen treasured to whop whether the fair(a) fall climb on was gibe to postu after-hours airframe nutrition follows, and whether on that file was a consanguinity among middling return senesce and admit locomotive maintenance costs. deliver the goods was to typography patronize by February 26 with the answer, on with numeric and graphical descriptions of the relationship. wooden legs premier(prenominal) step was to name her mental faculty prep ar the bonnie sequence of Federal and southeastern United States B727-300 deceases, by quarter, since the ledger entry of that aircraft to assist by separately airline in late 1993 and archeozoic 1994. The second-rate date of separately give-up the ghost was metrical by for the first time multiplying the count upshot of schedule geezerhood to each one aircraft had bee n in returns at the minded(p) point in clock by the median(a) effortless recitation of the various(prenominal) lead to inwardness palpitate hours flown. The summarise swift hours flown was and then divide by the flake of aircraft in improvement at that time, with child(p) the time of the honest aircraft in the turn over.The honest usance was open by taking the developed fall legislate hours flown on kinfolk 30, 2007 digit northerly and south-east info, and dividing by the total eld in value for all aircraft at that time. The intermediate use for southeast was 8.3 hours per day, and the total recitation for Federal was 8.7 hours per day. Because the operational cost information were mensural for each every year stopover finis at the dismiss of the first quarter, just fleet hop on was careful at the resembling points in time. The fleet selective information are shown in the next table. Airframe cost info and railway locomotive cost data are both shown paired with fleet total age in that table.