QUESTIONS Which of the following statements about the cyclical component of a classical time series decomposition model is false? The cyclical component is typically computed from data that cover a minimum of 2 years The cyclical component is viewed as the consequence of long range gradual changes in such factors as population site or composition technology, or consumer preferences All of the options are correct The cyckcal component of a time series, denoted by C. is a relatively smooth, progressively upward or downward movement of a variable. Yover an extended period of time. a QUESTIONS Which trend model would you choose the variable you are seeking to forecast were increasing at a constant percentage rate? Oy-3 None of the options are correct. Oy - 2+bx OY-17 Oy-b+byx+b2x2