TABLE 16-7 the Number of Passengers Arriving at San Francisco on the on the Amtrak

Essay

TABLE 16-7
The number of passengers arriving at San Francisco on the Amtrak cross-country express on 6 successive Mondays were: 60, 72, 96, 84, 36, and 48.
-Referring to Table 16-7, plot both the number of arrivals series and the series of
Holt-Winters forecast for the seventh through twelfth Mondays using a smoothing constant of 0.9 for both level and trend.