The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared. Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

Question

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Answer 1

Question

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

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Students have asked these similar questions

The first five columns of the following table contain information about a set of four jobs that just arrived (end of Hour 0 or beginning of Hour 1) at an engine lathe. They are the only ones now waiting to be processed. Several operations, including the one at the engine lathe, remain to be done on each job. Determine the schedule by using (a) the CR rule and (b) the S/RO rule. Compare these schedules to those generated by FCFS, SPT, and EDD. Job ProcessingTime at EngineLathe (hours) TimeRemainingUntil Due Date(days) Number ofOperationsRemaining Shop TimeRemaining(days) CR S/RO 1 2 3 4 2.3 10.5 6.2 15.6 15 10 20 8 10 2 12 5 6.1 7.8 14.5 10.2 2.46 1.28 1.38 0.78 0.89 1.10 0.46 -0.44

Eight jobs have arrived in the following order: Job Processing Time Due Date 1 7 23 2 3 9 3 5 8 4 2 11 5 6 16 6 9 18 7 14 40 8 4 31 Find and compare the performance measures for the following sequencing rules using the Excel Sequencing template. Round your answers to two decimal places. Process in the order they have arrived Flow Time Lateness Tardiness Average

A secretary is considering three dispatching rules fortyping term papers. The following information is givenon jobs that are Use the following dispatching rules to determine thesequence for term paper processing.a. SPTb. FCFSc. CR waiting to be typed:

Answer 2

Question

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

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Answer 3

Question

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

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Answer 4

Question

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

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Answer 5

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

Answer 6

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

Answer 7

Chapter 14, Problem 10PA

A

Summary Introduction

Interpretation: The order in which the jobs have arrived, the average flow time, tardiness and lateness are to be calculated and compared.

Concept Introduction:The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

Answer 8

A

Expert Solution

Answer to Problem 10PA

After necessary calculations, it can be seen that the average flow time is 25, lateness is 9.5, and tardiness is 11.25.

Answer 9

A

Expert Solution

Answer 10

A

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

Under the given order rule:

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
1	7	7	21	-14	0
2	3	10	7	3	3
3	5	15	8	7	7
4	2	17	5	12	12
5	6	23	17	6	6
6	9	32	16	16	16
7	14	46	38	8	8
8	4	50	12	38	38
	Average	25.00		9.50	11.25

Average Flow Time will be;

=7+10+15+17+23+32+46+508=2008=25.00

The average lateness will be;

=−14+3+7+12+6+16+8+388=768=9.50

The average tardiness will be;

=0+3+7+12+6+16+8+388=908=11.25

Answer 13

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

Answer 14

B

Summary Introduction

Interpretation: the shortest processing time is to be calculated.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

The process of scheduling involves assignment of the proposed jobs, equipment or people with the start and end times.

Answer 15

B

Expert Solution

Explanation of Solution

Job

4

2

8

3

5

1

6

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
8	4	9	12	-3	0
3	5	14	8	6	6
5	6	20	17	3	3
1	7	27	21	6	6
6	9	36	16	20	20
7	14	50	38	12	12
	Average	20.38		4.88	5.88

Answer 16

B

Expert Solution

Answer 17

B

Expert Solution

Answer 18

Expert Solution

Answer 19

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

Answer 20

C

Summary Introduction

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

Answer 21

C

Expert Solution

Explanation of Solution

Job

4

2

3

8

6

5

1

7

Job	Processing Time	Flow Time	Due Date	Lateness	Tardiness
4	2	2	5	-3	0
2	3	5	7	-2	0
3	5	10	8	2	2
8	4	14	12	2	2
6	9	23	16	7	7
5	6	29	17	12	12
1	7	36	21	15	15
7	14	50	38	12	12
	Average	21.13		5.63	6.25

Below is the required comparison of the derived solutions:

	Average Flow Time	Average Lateness	Average Tardiness
FCFS	25.00	9.50	11.25
SPT	20.38	4.88	5.88
EDD	21.13	5.63	6.25

Answer 22

C

Expert Solution

Answer 23

C

Expert Solution

Answer 24

Expert Solution

Answer 25

Ch. 14 - Prob. 2DQ Ch. 14 - Prob. 3DQ Ch. 14 - Prob. 4DQ Ch. 14 - Prob. 5DQ Ch. 14 - Prob. 1PA Ch. 14 - Prob. 5PA Ch. 14 - Prob. 6PA Ch. 14 - Prob. 7PA Ch. 14 - Prob. 8PA Ch. 14 - Prob. 9PA

Concept explainers

Answer to Problem 10PA

Explanation of Solution

Explanation of Solution

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

Explanation of Solution

Want to see more full solutions like this?

Chapter 14 Solutions

Concept explainers

Answer to Problem 10PA

Explanation of Solution

Explanation of Solution

Interpretation: The earliest due date is to be derived. Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.

Explanation of Solution

Want to see more full solutions like this?

Chapter 14 Solutions

Interpretation: The earliest due date is to be derived.

Concept Introduction: The process of planning the ordering of the activities involves based on the elements such as, priority, set up time and such other is referred to as sequencing.