首页
登录
职称英语
A group of 20 values has a mean of 85 and a median of 80. A different group of 3
A group of 20 values has a mean of 85 and a median of 80. A different group of 3
游客
2025-02-24
0
管理
问题
A group of 20 values has a mean of 85 and a median of 80. A different group of 30 values has a mean of 75 and a median of 72.
(a)What is the mean of the 50 values?
(b)What is the median of the 50 values? [br]
选项
答案
The median cannot be determined from the information given.
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3970124.html
相关试题推荐
Forwhichvaluesofxis2x-5<-3x+20?5>xThefirststepinsolvingthispr
Forwhichvaluesofxis6x-3>4x+5?x>4Solvethisproblemalgebraically,a
Ofthefollowingvalues,whichisthegreatest?[img]2014m5x/ct_egreqm_egreqjs_0
Whichofthefollowingcouldbethegrap>hofallvaluesofxthatsatisfythei
b-3,b-1,b+2,b+3,b+4Themedianofthefivetermslistedaboveis5,wh
Twodifferentpositiveintegersxandyareselectedfromtheoddintegersthat
Marthainvited4friendstogowithhertothemovies.Thereare120differentw
Agroupof20valueshasameanof85andamedianof80.Adifferentgroupof3
Inthefigurebelow,AC=BC.Findthevaluesofxandy.[img]2015m7x/ct_egreq
Lineslandmbelowareparallel.Findthevaluesofxandy.[img]2015m7x/ct_e
随机试题
Eachculturehasitsownformofacceptablegreetingbehavior,usuallybased
I’mgoingtotalkaboutthepreservingoffruitshere.Attheendofeverys
患者男,80岁。反复胸闷10余年,近期发作频繁,胸闷气短,动则更甚,自汗,面色白
决策是一项复杂的管理活动,有其自身的规律性,需要遵循科学的程序。下列选项正确的是
选择适当的开采技术是防治露天煤矿边坡事故的重要措施。在生产过程中必须采用()的
26岁未产妇,停经50日后出现阴道少量流血伴右下腹隐痛。今晨起床时突然右下腹撕裂
A.心脉痹阻证B.心阴虚证C.心阳虚证D.心气虚证E.心火亢盛证心烦心悸,失眠多
经过GDP缩减指数调整的国内生产总值被称为()。A.国民生产总值 B.国内生
(2015年真题)根据经验法则,服从对称钟形分布的标准分数在[-2,+2]范围内
正常人空腹血糖水平(mmol/L)A、0~2 B、2~4 C、4~6 D、
最新回复
(
0
)