Given the time series yt, t = 1,..., 42, reported in Table 1, it is assumed that yt = 0, for t = 4, 5, 6, 16, 17, 18, 28, 29, 30, 40, 41, 42. Determine p42(τ ), τ = 1,..., 6, using, if it is necessary, the same forecasting method selected in Problem.
Problem :-
Mitsumishi is a Korean company whose number of M5 light trucks sold during the last 42 months is reported in Table 1. The company invested significant financial resources in promotion, and the M5 sales increased in some months, as shown in Table 2.
(a) Forecast sales for the next six months using an appropriate forecasting method.
(b) Plot a control chart. Are you able to detect any anomalies?
