How do i find the standard error?

Bi forecasters_toolbox1.pd X + V - X VA Q IX 6 of 88 Contents Press Esc to exit full screen it to width [D Page view A' Read aloud . Add notes 1. (Point forecast: single number (e.g., growth rate of US real GDP will be 1.3% 1.645 1.39. I LV SE ( frecant) 2. Interval forecast: range of values in which we expect the realized value of the series to fall with some probability (e.g., a(90% )interval for the growth rate could be( 1.3%)+ 3% (what is the standard error here?) 95 70 . (. 1. fu B, : 13 , + (