Assume you work for OSHA (Occupational Safety and Health Administration) and have complaints about: noise levels from some of the workers at a state power plant. You charge the power plant with taking decibel readings at six different areas of the plant at a different times of the day and week. The results of the data collection are listed. Use boxplots to initially explore with protective ear wear. The safe hearing level is approximately 120 decibels.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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PROBLEM 3 (
Assume you work for OSHA (Occupational Safety and Health Administration) and have complaints about
noise levels from some of the workers at a state power plant. You charge the power plant with taking
decibel readings at six different areas of the plant at a different times of the day and week. The results of
the data collection are listed. Use boxplots to initially explore with protective ear wear. The safe hearing
level is approximately 120 decibels.
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
30
64
100
25
59
67
12
99
59
15
63
80
35
87
78
30
81
99
65
59
97
20
110
49
24
23
84
61
65
67
59
16
64
56
112
56
68
94
53
34
132
80
57
78
59
22
145
125
100
57
89
24
163
100
61
32
88
21
120
93
32
52
94
32
84
56
45
78
66
52
99
45
92
59
57
14
105
80
56
55
62
10
68
34
44
55
64
33
75
21
Transcribed Image Text:PROBLEM 3 ( Assume you work for OSHA (Occupational Safety and Health Administration) and have complaints about noise levels from some of the workers at a state power plant. You charge the power plant with taking decibel readings at six different areas of the plant at a different times of the day and week. The results of the data collection are listed. Use boxplots to initially explore with protective ear wear. The safe hearing level is approximately 120 decibels. Area 1 Area 2 Area 3 Area 4 Area 5 Area 6 30 64 100 25 59 67 12 99 59 15 63 80 35 87 78 30 81 99 65 59 97 20 110 49 24 23 84 61 65 67 59 16 64 56 112 56 68 94 53 34 132 80 57 78 59 22 145 125 100 57 89 24 163 100 61 32 88 21 120 93 32 52 94 32 84 56 45 78 66 52 99 45 92 59 57 14 105 80 56 55 62 10 68 34 44 55 64 33 75 21
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