Question 7 # Once trend has been established for a particular time-series, the difference in magnitude between the seasonal and or cyclical peaks and troughs can be described as: a. random variations 1). sampling errors c. residuals d. non-sampling errors Question 9 The most serious problem associated with too much smoothing of a time series is: :1. Seasonal variations being hidden b. Trend variations being hidden c. Cyclical component being hidden d. Random variations eliminated. Question 10 The Time-Series depicted above rm; a. Very strong Positive trend component plus seasonal component b. Very strong Negative trend component plus seasonal comPonent c. Moderate Positive trend component phis seasonal component I]. Moderate negative trend but no seasonal component