If Charlene, the worker in Problem, has a performance rating of 90%, what is the normal time for the operation? Is she faster or slower than normal?
Problem
If Charlene Brewster has times of 8.4, 8.6, 8.3, 8.5, 8.7, and 8.5 and a performance rating of 110%, what is the normal time for this operation? Is she faster or slower than normal?