Question: Question 2: Using the table below: Time 1 2 W 4 5 6 7 8 9 10 11 12 X 86 42 50 3 45

Question 2: Using the table below: Time 1 2 W 4 5 6 7 8 9 10 11 12 X 86 42 50 3 45 23 16 18 32 70 43 7 1- Check the stationarity using statistical summary (chunks in colors) 2- Remove heteroscedasticity. Answer: 1-(mean: ) (variance: 2-log transformation (new variance )- -( )

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