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Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number.   Job Flow Time (min) 1   2   3   4   5   6     Makespan: minutes Average flow time: minutes In what order would the jobs be processed using the SPT rule? The SPT sequence is - - - - - . Compute the average flow time after each job is completed. Round your answer to the nearest whole number. Average flow time: minutes Compare this answer with your answer to part a. The minimizes flow time and gets the most work done in the least amount of time.

Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number.   Job Flow Time (min) 1   2   3   4   5   6     Makespan: minutes Average flow time: minutes In what order would the jobs be processed using the SPT rule? The SPT sequence is - - - - - . Compute the average flow time after each job is completed. Round your answer to the nearest whole number. Average flow time: minutes Compare this answer with your answer to part a. The minimizes flow time and gets the most work done in the least amount of time.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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The following six jobs are to be scheduled on a single machine:

Job 1 2 3 4 5 6
Processing time (min.) 110 120 220 90 180 80

 

  1. Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number.

     

    Job Flow Time (min)
    1  
    2  
    3  
    4  
    5  
    6  

     

    Makespan: minutes

    Average flow time: minutes

  2. In what order would the jobs be processed using the SPT rule?

    The SPT sequence is - - - - - .

    Compute the average flow time after each job is completed. Round your answer to the nearest whole number.

    Average flow time: minutes

    Compare this answer with your answer to part a.

    The minimizes flow time and gets the most work done in the least amount of time.

The following six jobs are to be scheduled on a single machine: Job 2 3 4 120 220 90 Processing time (min.) a. Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number. Job Flow Time (min) 1 2 3 4 5 6 1 110 Makespan: The -Select- minutes Average flow time: o. In what order would the jobs be processed using the SPT rule? The SPT sequence is -Select- Compute the average flow time after each job is completed. Round your answer to the nearest whole number. Average flow time: Compare this answer with your answer to part a. minutes 5 6 180 80 -Select- + minutes -Select- + -Select- + -Select- + -Select- ♦ + minimizes flow time and gets the most work done in the least amount of time.
Transcribed Image Text:The following six jobs are to be scheduled on a single machine: Job 2 3 4 120 220 90 Processing time (min.) a. Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time. Round your answers to the nearest whole number. Job Flow Time (min) 1 2 3 4 5 6 1 110 Makespan: The -Select- minutes Average flow time: o. In what order would the jobs be processed using the SPT rule? The SPT sequence is -Select- Compute the average flow time after each job is completed. Round your answer to the nearest whole number. Average flow time: Compare this answer with your answer to part a. minutes 5 6 180 80 -Select- + minutes -Select- + -Select- + -Select- + -Select- ♦ + minimizes flow time and gets the most work done in the least amount of time.
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