Asked by MATTANAPORN CHANTIYANON on Apr 28, 2024
Verified
Complete the table, find average lateness, find average completion time, and average number of jobs in the system. Assume all durations are in days and that the jobs are processed at the shop in the order that they arrive (A then B then C then D).
Job Process Time Flow Time Due Date Lateness A 5 B 39 C 212 D 54 Sum (Average) 15(3.75) XXXXX \begin{array} { | l | l | l | l | l | } \hline \text { Job } & \text { Process Time } & \text { Flow Time } & \text { Due Date } & \text { Lateness } \\\hline \text { A } & 5 & & & \\\hline \text { B } & 3 & & 9 & \\\hline \text { C } & 2 & & 12 & \\\hline \text { D } & 5 & & 4 & \\\hline \text { Sum } & & & & \\ \text { (Average) } & 15 ( 3.75 ) & & \text { XXXXX } & \\\hline\end{array} Job A B C D Sum (Average) Process Time 532515(3.75) Flow Time Due Date 9124 XXXXX Lateness
Average Lateness
A measure of the extent to which tasks or deliverables are completed beyond their scheduled completion times, on average.
Average Completion Time
The mean time taken to complete a set of tasks or activities.
Job Processing
A method of manufacturing where goods are produced in discrete jobs, not necessarily in large batches, allowing for customization and flexibility in production.
- Determine the average delay, overall finishing time, and total number of assignments in the system.
- Assess the output efficiency of different scheduling algorithms by metrics such as average flow time, work-in-process, lateness, and makespan.
Verified Answer
Avg completion time = 38/4 = 9.5 days
Avg number of jobs in the system = 38/15 = 2.53 jobs
Learning Objectives
- Determine the average delay, overall finishing time, and total number of assignments in the system.
- Assess the output efficiency of different scheduling algorithms by metrics such as average flow time, work-in-process, lateness, and makespan.
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