एक रेखीय प्रवृत्ति (linear trend) का आकलन निम्नलिखित में से किस मॉडल द्वारा किया जा सकता है?

Decomposing a time series refers to breaking down historical data into components such as:

If the trend line with 2008 as origin is Y = 20.6 + 1.68X, then the trend line with 2004 as origin is:

In a Moving Average (MA) Process, the time series variable is expressed in terms of: