The file P12_61.xlsx contains annual data on carbon dioxide (CO2) levels since 1959, measured at the Mauna
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The file P12_61.xlsx contains annual data on carbon dioxide (CO2) levels since 1959, measured at the Mauna Loa Observatory in Hawaii. Fit linear, exponential, and quadratic (polynomial of order 2) trends to these data. In terms of MAD, which fit is best? Using the best fit, forecast CO2 levels for the next 10 years.
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Year CO2 Time Index Linear Abs Error Exponential Abs Error Quadratic Abs Error 1959 31597 1 670 494 075 1960 31691 2 613 454 084 1961 31764 3 535 392 ...View the full answer
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