Operations Management: Sustainability and Supply Chain Management (12th Edition)
12th Edition
ISBN: 9780134130422
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Question
Chapter 10, Problem 27P
Summary Introduction
To determine: The number of observations required.
Introduction: Thesample size is required to determine the number of observations that are necessary to find the true cycle time.
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Prepare a run diagram for this emergency call data. Use five-minute intervals (i.e., count the calls received in each five-
minute interval. Use intervals of 0-4, 5-9, etc.). Note: Two or more calls may occur in the same minute; there were
three operators on duty this night. What can you conclude from the run chart?
Call
Time
Call
Time
Call
Time
1
2
3
4
5
6
7
8
9
10
11
1:03
1:06
1:09
1:11
1:12
1:17
1:21
1:27
1:28
1:29
1:31
12
13
14
15
16
17
18
19
20
21
22
1:36
1:39
1:42
1:43
1:44
1:47
1:48
1:50
1:52
1:53
1:56
23
24
25
26
27
28
29
30
31
32
33
1:56
2:00
2:00
2:01
2:02
2:03
2:03
2:04
2:06
2:07
2:08
Call
34
35
36
37
38
39
40
41
42
Time
2:08
2:11
2:12
2:12
2:13
2:14
2:14
2:16
2:19
a. re-organize the above data for your analysis (using five-minute intervals; 0-4, 5-9, etc)
b. Provide your diagram that shows the number of emergency calls by eacn five-minute intervals from 1am to 2:20am
c. what can you conclude from the chart?
27 -
Which of the following is defined as the protection of the worker and the job against technical risks?
a)
job specification
B)
Work safety
NS)
Work health
D)
Performance appraisal
TO)
business analysis
Chapter 10 Solutions
Operations Management: Sustainability and Supply Chain Management (12th Edition)
Ch. 10 - Prob. 1DQCh. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Prob. 7DQCh. 10 - Prob. 8DQCh. 10 - Prob. 9DQCh. 10 - Prob. 10DQ
Ch. 10 - Prob. 11DQCh. 10 - Prob. 12DQCh. 10 - Prob. 13DQCh. 10 - Prob. 14DQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Draw an activity chart for a machine operator with...Ch. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Prob. 23PCh. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - Prob. 28PCh. 10 - Prob. 29PCh. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - Prob. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 38PCh. 10 - Prob. 1CSCh. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - Prob. 2.1VCCh. 10 - Prob. 2.2VCCh. 10 - Prob. 2.3VCCh. 10 - Prob. 2.4VCCh. 10 - Prob. 1.1VCCh. 10 - Prob. 1.2VCCh. 10 - Prob. 1.3VC
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