1)with which type of time series data should moving average smoothing methods produce the best forecasts

seasonal

stationary

trending

cyclical

trending with cycle

all the above

2) The smoothing constant in the exponential smoothing model?

a-completely determine the weight structure in exponential smoothing

b-can be interpreted as the revision of this periods forecast to todays forecast error

c-cannot be equal to 0 or 1

d-must lie betweek 0 and 1

e-all of the above