For a series that contain a trend, we can use a double exponential smoothing also called: 1. differencing 2. suppressing linear trend 3. holt's linear trend model 4. simple exponential smoothing

Colby works as a shipping clerk for a major package delivery service. some of his daily tasks include tracking shipments and entering orders. which aspect of the information technology cluster would he most likely be trained in? a.networkingb.databasesc.hardwared.software