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Questions The following is the trend of PSEi monthly values: PSEi 1,600.00 1,400.00 1,200.00 1,000.00 v = 5.0896x + 614.29 800.00 PSEi Axis Title 600.00

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Questions The following is the trend of PSEi monthly values: PSEi 1,600.00 1,400.00 1,200.00 1,000.00 v = 5.0896x + 614.29 800.00 PSEi Axis Title 600.00 ---- Linear (PSEi) 400.00 200.00 0.00 1 6 11 162126313641 4651566166717681 Required: 1. [5 marks] Using the regression-against-time (RAT) equation, what is the forecast value for the 87th month? 2. [5 marks] Briefly discuss the nature of the trends, both on actual data and the resulting linear trendline

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