Answer the questions below

Data for Southwest Airlines' quarterly income for the years 19951999 are given in Table 7'. If the simple exponential method is used and weights are chosen by optimal ARIMA in Minitab, what is the forecast for the next period? The quarterly sales [in miilions of doElars] for the Disney Company from the first quarter of 1991 to the third quarter of 1995 are shown in Table 8. Fit 3 Hoit's exponential modei to the data using 0.1 and 0.3 for level and trend. Check the residuals of the model. is the model adequate? O No because there is still significant autocorrelation in the residuals 0 Yes because M50 is minimized. O No because we can use othe models to fit the data. @ Yes because there is not significant autocorreiation in the residuals. Time Income 1995Q1 11.83 199502 59.72 199503 67.72 199504 43.36 1996Q1 33 199602 85.32 1996Q3 60.86 199604 28.16 199701 50.87 199702 93.83 199703 92.51 199704 80.55 199801 70.01 199802 133.39 1998Q3 129.64 199804 100.38 199901 95.85 199902 157.76 199903 126.98 199904 93.8Year Quarter Sales 1991 4 1,492.40 1991 1 1,439.00 1991 2 1,511.60 1991 3 1,739.40 1992 4 1,936.60 1992 1 1,655.10 1992 2 1,853.50 1992 3 2,079.10 1993 4 2,391.40 1993 1 2,026.50 1993 2 1,936.80 1993 3 2,174.50 1994 4 2,727.30 1994 1 2,275.80 1994 2 2,353.60 1994 3 2,698.40 1995 4 3,301.70 1995 1 2,922.80 1995 2 2,764.00 1995 3 3,123.60