Actual Average Year Quarter Datapoint Visitor Predicted Detrende Numbers Trend d Value Seasonal Forecast Variation Forecas Error 1) Calculate the predicted trend for 2021 Q2 3 d.p. (000) 2018 Q1 1 19.0 22.445 -3.445 -5.234 2) Calculate the detrended value for 2019 Q3 3d.p. Q2 2 26.1 Q3 3 29.5 3) Calculate the average seasonal variation for Q4 3 d.p. Q4 4 25.7 2019 Q1 5 20.4 25.801 -5.401 -5.234 4) Calculate the forecast for 2020 Q1 3 d.p. Q2 6 25.9 Q3 7 31.5 5) Calculate the forecast error for 2020 Q1 3 d.p. 04 8 26.4 2020 Q1 9 22.3 29.157 -6.857 -5.234 6) Calculate the forecast for 2021 Q2 3 d.p. Q2 10 30.5 Q3 11 35.6 7) What is the predicted annual increase in visitor numbers? 2 d.p. Q4 12 31.8 2021 Q1 13 Q2 14 Q3 15 (Ctrl) Q4 16