Which ooe of the following statments stout the punerns of a demind series is FAL.SE! The five basic patterns of most business demund series are the horizontal, trend, sexonat, cyelicat and random pattems. Estimating cydical movement is difficult. Forecasters do not know the duration of the cycle because they cannot predict the events that cause it The trend, over an extended period of time, always increases the average level of the series. Every demand series has at least two components: horizontal and random