annual maintenance cost

annual maintenance cost -...

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86d759e6ae94a3dbef97dfe2b2f542c64ccd8f95.xls data 4 150 2 128 3 133 5 152 2 118 3 143 4 145 5 161 4 135 3 127 Age, x (years) Maintenance cost, y ($/year) 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 0 20 40 60 80 100 120 140 160 180 Age (years) Maintence cost ($/year) A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
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86d759e6ae94a3dbef97dfe2b2f542c64ccd8f95.xls regression calcs x^2 x*y y^2 4 150 16 600 22500 2 128 4 256 16384 3 133 9 399 17689 5 152 25 760 23104 2 118 4 236 13924 3 143 9 429 20449 4 145 16 580 21025 5 161 25 805 25921 4 135 16 540 18225 3 127 9 381 16129 sums 35 1392 133 4986 195350 means 3.5 139.2 Age, x (years) Maintenance cost, y ($/year) A B C D E F 1 2 3 4 5 6 7 8 9 10 11 12 13
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86d759e6ae94a3dbef97dfe2b2f542c64ccd8f95.xls regression graphs fitted error 4 150 144.63 5.37 2 128 122.91 5.09 3 133 133.77 -0.77 5 152 155.49 -3.49 2 118 122.91 -4.91 3 143 133.77 9.23 4 145 144.63 0.37 5 161 155.49 5.51 4 135 144.63 -9.63 3 127 133.77 -6.77 0 Age, x (years) Maintenance cost, y ($/year)
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annual maintenance cost -...

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