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Please help with the following problem.

The problem is attached, it is number 19.2.11. For this problem, I have to do all the steps but I have to do it not just for the linear trend but also estimate the quadratic, exponential and auto-regressive. There are specific equations for those equations. If you need more information just let me know. You do this by using data-analysis on Excel and the regression tab, but you have to do it for each type, linear...quadratic, exponential, and auto regressive.

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The problem is attached, it is number 19.2.11. It involves linear trends, quadratic, exponential and auto-regressive.

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