If Charlene Brewster has times of 8.4, 8.6, 8.3, 8.5, 8.7 ans 8.5 and a performance rating of 100% percent, what is the normal time for this operation? Is she faster or slower then normal?
10.15) Refer to problem 10.13
a) If the allowance factor is 15%, what is the standard time for this operation?
b) IF the allowance factor is 18% and the performance rating is now 90%, what is the standard time for this operation?