The following linear trend expression was estimated using a time series with 17 time periods.
T_t = 129.5 + 4.8t

The trend projection for time period 18 is

Question

The following linear trend expression was estimated using a time series with 17 time periods. T_t = 129.5 + 4.8t The trend projection for time period 18 is A) 68.4. B) 211.1. C) 215.9. D) 134.3.

Quizplus · Accepted Answer

To find the trend projection for time period 18, substitute t=18 in the given expression: T_t = 129.5 + 4.8t T_t = 129.5 + (4.8 x 18) T_t = 215.9 Therefore, the trend projection for time period 18 is 215.9.

The Following Linear Trend Expression Was Estimated Using a Time