Candidates for mass production

Reference no: EM13968805

Gulfstream Aerospace Company produced three different prototypes as candidates for mass production as the company's newest large-cabin business jet, the Gulfstream IV. Each of the three prototypes has slightly different features, which may bring about differences in performance. Therefore, as part of the decision-making process concerning which model to produce, company engineers are interested in determining whether the three proposed models have about the same average ?ight range. Each of the models is assigned a random choice of 10 ?ight routes and depar- ture times, and the ?ight range on a full standard fuel tank is measured (the planes carry additional fuel on the test ?ights, to allow them to land safely at certain desti- nation points). Range data for the three prototypes, in nautical miles (measured to the nearest 10 miles), are as follows.5

Prototype A 4,420	Prototype B 4,230	Prototype C 4,110
4,540	4,220	4,090
4,380	4,100	4,070
4,550	4,300	4,160
4,210	4,420	4,230
4,330	4,110	4,120
4,400	4,230	4,000
4,340	4,280	4,200
4,390	4,090	4,150
4,510	4,320	4,220

Do all three prototypes have the same average range? Construct an ANOVA table, and carry out the test. Explain your results.

Reference no: EM13968805

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