Cost Management 6th Edition by Edward Blocher,David Stout ,Paul Juras,Gary Cokins

تمرين 39

Johnson Plastics Inc. produces cases for CDs. The accounting manager has calculated a regression to determine future production costs. The regression estimate is $5,000 with an R -squared of.9, a t -value of 2.5, and a standard error of $400. Within what interval would she be reasonably (67 percent) confident that the actual values will fall