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 18

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

转载请注明原文地址:https://tihaiku.com/zcyy/3970123.html

相关试题推荐

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

随机试题

Whendidthespeakerlearntosmoke?Thespeakerlearnstosmokeat______.[b
Procrastinators(拖延症患者),takenote:Ifyou’vetriedbuildingself-discipline
读图6分析下列问题。（13分）（1）气候类型①__________气候，
关于抗震设计的大跨度屋盖及其支承结构选型和布置的说法，正确的是（　　）。A.宜采
标准ASC11码字符集共有编码()个。A.128 B.52 C.34
脉冲多普勒检测卵巢恶性肿瘤流速曲线特点多为A.高速高阻 B.低速高阻 C.中
胃溃疡可出现A.多为上腹正中或偏右节律性疼痛 B.上腹持续性剧痛、放射至背后
SF6气瓶应放置在（）的专门场所，直立保存，并应远离热源和油污的地方。阴凉干燥$
投资项目产品价格预测除了劳动生产率、成本和利润等情况外，更重要的是要考察（)
某工程承包合同纠纷经第二审人民法院审理，裁定发回原审人民法院重审。下列不属于发回

最新回复(0)

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

Whendidthespeakerlearntosmoke?Thespeakerlearnstosmokeat______.[b

Procrastinators(拖延症患者),takenote:Ifyou’vetriedbuildingself-discipline

读图6分析下列问题。（13分） （1）气候类型①__________气候，

关于抗震设计的大跨度屋盖及其支承结构选型和布置的说法，正确的是（ ）。A.宜采

标准ASC11码字符集共有编码()个。A.128 B.52 C.34

脉冲多普勒检测卵巢恶性肿瘤流速曲线特点多为A.高速高阻 B.低速高阻 C.中

胃溃疡可出现A.多为上腹正中或偏右节律性疼痛 B.上腹持续性剧痛、放射至背后

SF6气瓶应放置在（）的专门场所，直立保存，并应远离热源和油污的地方。阴凉干燥$

投资项目产品价格预测除了劳动生产率、成本和利润等情况外，更重要的是要考察（)

某工程承包合同纠纷经第二审人民法院审理，裁定发回原审人民法院重审。下列不属于发回

读图6分析下列问题。（13分）（1）气候类型①__________气候，

关于抗震设计的大跨度屋盖及其支承结构选型和布置的说法，正确的是（　　）。A.宜采