首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Questions are based on the following data. Each of the 15 customers who arrived at a customer service desk between 9 A.M. and 10
Questions are based on the following data. Each of the 15 customers who arrived at a customer service desk between 9 A.M. and 10
admin
2019-10-11
48
问题
Questions are based on the following data.
Each of the 15 customers who arrived at a customer service desk between 9 A.M. and 10A.M. was served in order of arrival by one of two customer service representatives. Each representative served one customer at a time and finished with that customer before serving any other customers. The graph shows the waiting and service times, recorded to the nearest minute, for customers numbered 1 to 15.
What was the range of the recorded service times, in minutes, for the 15 customers?
选项
A、4
B、6
C、8
D、9
E、14
答案
C
解析
3号、6号和7号客户被服务的时间最长。都为9分钟。15号客户被服务的时间最短,为1分钟。故极差为8,选C。
转载请注明原文地址:https://kaotiyun.com/show/HSkO777K
本试题收录于:
GRE QUANTITATIVE题库GRE分类
0
GRE QUANTITATIVE
GRE
相关试题推荐
Expertssuggestusingadifferentpasswordforeverywebsiteyouvisit,andchangingthepasswordeveryfewmonths.Ittakestro
Peopleliveingroups,whichwecallsocieties,andsocialrelationsarethesubjects【C1】______inthesocialsciences.Men
Lifeasawomaninthecolonial(殖民的)Americaseemsquitedifferentfromitistoday.Womenwereconsideredinferiortomen,afac
Theunderlinedword"average"inParagraph1means______.Thebesttitleforthispassagemaybe______.
Youmusthavebeentroubledbywhentosay"Iloveyou"becauseitisoneofthegreatestpuzzlesinourlife.Whatifyous
Whatdowemeanbyasatisfactorystandardofliving?Obviously,itmustincludethebasicnecessitiesoflifesuchasfood,clo
Itmakes______tofigureoutthesituationbeforetakinganyaction.
______workhasbeendonetoimprovepeople’slivingstandard.
Weallknowthatitispossibleforordinarypeopletomaketheirhomesontheequator,althoughoftentheymayfeeluncomfortab
LeviStraussdidnotinventjeans,butheisconsideredthefirstpersontomakeandsellgreatnumbersofthem.Hewasbornin
随机试题
系统性红斑狼疮引起关节和肌肉病变,一般不会出现
左心衰竭的临床表现不包括
后纵隔肿瘤最常见的是
一般的成倍节拍流水施工改变为加快的成倍节拍流水施工时,所采取的措施是( )。
公路工程施工总承包企业资质可一共分为()。
下列关于证券市场线的描述,正确的有()。Ⅰ.证券市场线用标准差作为风险衡量指标Ⅱ.如果某证券的价格被低估,则该证券会在证券市场线的上方m.如果某证券的价格被低估,则该证券会在证券市场线的下方Ⅳ.如果某证券的价格被高估,则该证券会在
甲公司于7月1日向乙公司发出要约,出售一批原材料,要求乙公司在1个月内做出答复。该要约于7月2日到达乙公司。当月,因市场行情变化,该种原材料市场价格大幅上升,甲公司拟撤销该要约。根据《民法典》的规定,下列关于甲公司能否撤销要约的表述中,正确的是(
下列各项有关职工薪酬的会计处理中,正确的是()。(2015年)
维护国家安全工作的内容主要包括()。
A、 B、 C、 D、 D
最新回复
(
0
)