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 The median cannot be determined from the information given.

解析

转载请注明原文地址:https://www.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

Asrequested,weencloseforyourattentionourpricelistandcatalogue.Iwoul
[originaltext]M:Whatdoyouthinkofthegovernment’snewtaxcutproposal?W:
Peoplefromlargefamilieshaveanincreasedriskofstomachcancer,suggest
设3-x=t，则4dx=-dt．【评析】定积分的证明题与平面图形的面积及旋转体的体积均属于试卷中的较难题．
门静脉压力正常值为()A.0.27～1.36kPa B.0.36～1
在杠杆收购基金的融资渠道中，夹层资本相比于银行贷款（）A.优先级低，成本高
表中所列城市2006年空气中二氧化氮含量最低的三个依次是（）。A.海口、
以下关于目标收益率的公式正确的是（　　）。A.投资总额×目标收益率÷预期销售量
1.国家机关工作人员玩忽职守、滥用职权、徇私舞弊以及利用职权侵犯公民人身权利和
下列不属于银行业金融机构的是()。A.政策性银行 B.农村信用合作社

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

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

Asrequested,weencloseforyourattentionourpricelistandcatalogue.Iwoul

[originaltext]M:Whatdoyouthinkofthegovernment’snewtaxcutproposal?W:

Peoplefromlargefamilieshaveanincreasedriskofstomachcancer,suggest

设3-x=t，则4dx=-dt． 【评析】定积分的证明题与平面图形的面积及旋转体的体积均属于试卷中的较难题．

门静脉压力正常值为()A.0.27～1.36kPa B.0.36～1

在杠杆收购基金的融资渠道中，夹层资本相比于银行贷款（）A.优先级低，成本高

表中所列城市2006年空气中二氧化氮含量最低的三个依次是（）。A.海口、

以下关于目标收益率的公式正确的是（ ）。A.投资总额×目标收益率÷预期销售量

1.国家机关工作人员玩忽职守、滥用职权、徇私舞弊以及利用职权侵犯公民人身权利和

下列不属于银行业金融机构的是()。A.政策性银行 B.农村信用合作社

设3-x=t，则4dx=-dt．【评析】定积分的证明题与平面图形的面积及旋转体的体积均属于试卷中的较难题．

以下关于目标收益率的公式正确的是（　　）。A.投资总额×目标收益率÷预期销售量