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Name: Question 2 (8 marks) The following data are quarterly sales of engine oil in thousands of gallons) in the Montreal
Posted: Thu Feb 17, 2022 11:02 am
by answerhappygod
- Name Question 2 8 Marks The Following Data Are Quarterly Sales Of Engine Oil In Thousands Of Gallons In The Montreal 1 (33.08 KiB) Viewed 63 times
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Question 2 (8 marks) The following data are quarterly sales of engine oil in thousands of gallons) in the Montreal region. Year Q1 Q2 Q3 Q4 2018 11.5 17.4 12.7 19.2 15.1 11.9 17.4 2019 12.1 2020 10.6 19.1 115 13.9 2021 10.2 6.2 5.6 The CMA method provided the following seasonal relatives: Quarter 01 Seasonal relative 0.858 1.184 02 03 1.098 04 0.860 The linear trend is observed and the following linear trend equation is obtained based on the deseasonalized data: Y, = 17.2 -0.535 Extend the model to forecast the sales of engine oil in 2022.