During the manufacture of certain electrical components, items go through a series of heat processes. The length of time spent in this heat treatment is related to the useful life of the component. To...

During the manufacture of certain electrical components, items go through a series of heat processes. The length of time spent in this heat treatment is related to the useful life of the component. To find the nature of this relationship a sample of 20 components was selected from the process and tested to destruction. The results are presented below: