A bank branch located in a commercial district of a city has the business objective of developing an improved process for serving customers during the​ noon-to-1:00 P.M. lunch period. The waiting​ time, in​ minutes, is defined as the time the customer enters the line to when he or she reaches the teller window. Data are collected from a sample of 15 customers during this hour. Another bank​ branch, located in a residential​ area, is also concerned with the​ noon-to-1 P.M. lunch hour. The waiting​ times, in​

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A bank branch located in a commercial district of a city has the business objective of developing an improved process for serving customers during the​ noon-to-1:00 P.M. lunch period. The waiting​ time, in​ minutes, is defined as the time the customer enters the line to when he or she reaches the teller window. Data are collected from a sample of 15 customers during this hour. Another bank​ branch, located in a residential​ area, is also concerned with the​ noon-to-1 P.M. lunch hour. The waiting​ times, in​ minutes, are also collected from a sample of 15 customers during this hour. Complete parts​ (a) through​ (c) below.
 
The following is the list of time data gathered from the bank branch in the commercial district.
 
4.55
5.89
3.44
5.03
4.08
2.25
3.65
3.58
 
4.69
6.03
0.66
5.72
6.17
6.65
3.38
 
 
 
The following is the list of time data gathered from the bank branch in the residential district.
 
9.44
5.07
8.98
5.13
8.87
3.86
8.65
8.91
 
10.38
6.21
5.97
4.22
6.28
9.98
5.71
 
 

 

What similarities and differences are there in the distributions of the waiting times at the two bank​ branches?
 
The commercial district has a range of times __A___ the commercial district. The times from the commercial district, by and large, are__B__ the times from the residential district. The IQR of the commercial district data is___C___ the IQR of the residential district data.
 
A. wider than, equal to, or narrower than
B. greater than, equal to, or less than
C. larger than, smaller than, or equal to
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