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

What are the benefits and drawbacks of the shortest processing time rule (SPT)?

What are the advantages and disadvantages of the shortest processing time (SPT) rule?

Apply the four popular sequencing rules to the five jobs shown in the table below. For each sequence determine: The average completion time (sum of total flow time/number of jobs) Utilisation measure (Total job work time/Sum of total flow time) Average number of jobs in system (Sum of total flow time/Total job work time) Average job lateness (Total late days/Number of jobs) Job Due Job Work (Processing) Time Date (Days) (Days) 8 6 18 15 23 Job ABCDE 6 W ∞ NO 6 2 8 3 9

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.