The table below shows the Bean production in Kiboga District.

Year	Yt	Year	Yt
1991	8.29	2000	10.57
1992	8.00	2001	11.71
1993	8.57	2002	11.71
1994	8.86	2003	10.57
1995	9.71	2004	11.14
1996	9.71	2005	10.57
1997	9.43	2006	11.70
1998	8.86	2007	12.80
1999	9.71

1. Fit a linear trend to the bean production series
2. Detrend the series and test for the presence of cyclic component using the Von Neumanns ratio test (assume =5%)
3. Describe the different methods for estimation of the cyclic component.

(b) Describe the turning points test for determining the existence of stationarity or no trend.