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 59

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 mean = 79

解析

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A group of 20 values has a mean of 85 and a median of 80. A different group of 3

Whatisthemedianofthedatagivenbelow?8,13,9,8,15,14,10Themedia

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

Thegreatestofthe21positiveintegersinacertainlistis16.Themedianof

FindthemeanandmedianofthevaluesoftherandomvariableX,whoserelative

Agroupof20valueshasameanof85andamedianof80.Adifferentgroupof3

•Lookatthestatementsbelowandtheinformationaboutbusinessschoolsonthe

Thekidsarehangingout.Theyarenotoldenoughforjobs.Noraretheyric

HillaryRodhamClinton希拉里•罗德姆•克林顿

依据劳动二重性原理,具体劳动（）A.创造新价值 B.创造剩余价值

—般情况下，关于发债机构申请发行国际开发机构人民币债券的条件，下面说法正确的是（

Thechangeinthatvillagewasmiraculou

物业管理承接查验的相关资料由建设单位提供，物业服务企业主要是进行()。A:必要的

宪法是治国安邦的总章程，是党和人民意志的集中体现。我国现行宪法于A.1949年通

心理咨询师在本案例中还应重点询问的内容包括（ ）。A.担心儿子考不好的理由

下列管道中，不属于仪表管道的是（ ）。A、测量管道 B、气动信号管道 C、配

心理咨询师在本案例中还应重点询问的内容包括（　　）。A.担心儿子考不好的理由

下列管道中，不属于仪表管道的是（　）。A、测量管道 B、气动信号管道 C、配