A Dallas firm manufactures dishwashing liquid. The manager wants to evaluate the performance of station 3, the bottleneck in the filling operation. The following output report is given.
Output InformationPeriod 1 2 3
Planned Output (hours) 100 100 100
Actual Output (hours) 80 70 110
Calculate the cumulative deviation of the output at the end of period 3.
a) -20
b) -40
c) 10
d) 20
e) 40
Answer: b) -40
Solution:
Output Information
Period 1 2 3
Planned Output (hours) 100 100 100
Actual Output (hours) 80 70 110
Deviation -20 -30 10
Cumulative Deviation -20 -50 -40