The Department of Motor Vehicles office tried a new customer service system after people complained they were wasting too much time waiting in line. Use the two relative frequency histograms to answer the following questions. Waiting Times at the DMV (OLD SYSTEM) Waiting Times at the DMV (NEW SYSTEM) 50 50 40- 40 30 10 0 T T 0 5 10 15 20 25 30 5 10 15 20 25 30 Time Waited OLD (in minutes) Time Waited (in minutes) Which system has the greater mean waiting time? The old system. The new system Can't be determined from the histograms. Percent 30 20 10 0 Percent 8

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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The Department of Motor Vehicles office tried a new customer service system after
people complained they were wasting too much time waiting in line. Use the two
relative frequency histograms to answer the following questions.
Waiting Times at the DMV (OLD SYSTEM)
Waiting Times at the DMV (NEW SYSTEM)
50
50
40
40
0
5
10
15
20
25 30
0
5
10
15
20
25
30
Time Waited OLD (in minutes)
Time Waited (in minutes)
Which system has the greater mean waiting time?
The old system.
The new system
Can't be determined from the histograms.
8
Percent
0
Percent
8
10
Transcribed Image Text:The Department of Motor Vehicles office tried a new customer service system after people complained they were wasting too much time waiting in line. Use the two relative frequency histograms to answer the following questions. Waiting Times at the DMV (OLD SYSTEM) Waiting Times at the DMV (NEW SYSTEM) 50 50 40 40 0 5 10 15 20 25 30 0 5 10 15 20 25 30 Time Waited OLD (in minutes) Time Waited (in minutes) Which system has the greater mean waiting time? The old system. The new system Can't be determined from the histograms. 8 Percent 0 Percent 8 10
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