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

游客2024-01-12 75

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:http://tihaiku.com/zcyy/3355562.html

相关试题推荐

Lastyear,landvaluesinmostpartsofthepinelandsrosealmostsofast,andi
Althoughmanyartpatronscanreadilydifferentiateagooddebenturefromanund
Ifn=pqr,wherep,q,andrarethreedifferentpositiveprimenumbers,howma
Forwhichofthefollowinglistsofnumberisthemedianequaltotheaverage(a
Whatisthetotalnumberofdifferent5-digitnumbersthatcontainallofthedi
Amanufacturepackagessoappowderincontainersofthreedifferentsizes.Thea
Themedianof10,15,xandyis18.5,andx
Whatisthemedianofthedatagivenbelow?80,19,82,15,72,3Themedian
Whichisboththemeanandthemedianof5consecutiveintegerstheleastofwhi
Agivenstreetmedianisplantedwithtrees.Ofthe30treesinthemedian,3ar

随机试题

•Readthearticlebelowaboutteam-building.•Choosethebestwordtofilleach
PassageTwo(1)AtaFather’sDaybreakfast,my5-year-oldsonandhis
SecretsofGrade-AParentsA)WhenCareyGrahamstartedGradeOne,hegot
A、Itsmemberscouldbeanyone.B、Itsmembershadtobepoets.C、Itshouldbepro
电压是电路中产生电流的根本原因，数值上等于电路中两点电位的差值。（）
在我国，()的房地产抵押的，应当符合国有资产管理的有关规定。A:合作经营企业
小王，小赵和小李的艺术专长分别为小提琴，二胡和古筝。已知：小王比小赵年龄大，小李
商业银行分支机构要开展相关个人理财业务之前，应持其总行的授权文件，按照有关规定，
中药不良反应常见的皮肤症状有A.荨麻疹 B.血管性水肿 C.色素沉着 D.
根据外商投资法律制度的规定，下列选项中，属于外商投资的有（　）。A.外国投资者单

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

Lastyear,landvaluesinmostpartsofthepinelandsrosealmostsofast,andi

Althoughmanyartpatronscanreadilydifferentiateagooddebenturefromanund

Ifn=pqr,wherep,q,andrarethreedifferentpositiveprimenumbers,howma

Forwhichofthefollowinglistsofnumberisthemedianequaltotheaverage(a

Whatisthetotalnumberofdifferent5-digitnumbersthatcontainallofthedi

Amanufacturepackagessoappowderincontainersofthreedifferentsizes.Thea

Themedianof10,15,xandyis18.5,andx

Whatisthemedianofthedatagivenbelow?80,19,82,15,72,3Themedian

Whichisboththemeanandthemedianof5consecutiveintegerstheleastofwhi

Agivenstreetmedianisplantedwithtrees.Ofthe30treesinthemedian,3ar

•Readthearticlebelowaboutteam-building.•Choosethebestwordtofilleach

PassageTwo(1)AtaFather’sDaybreakfast,my5-year-oldsonandhis

SecretsofGrade-AParentsA)WhenCareyGrahamstartedGradeOne,hegot

A、Itsmemberscouldbeanyone.B、Itsmembershadtobepoets.C、Itshouldbepro

电压是电路中产生电流的根本原因，数值上等于电路中两点电位的差值。（）

在我国，()的房地产抵押的，应当符合国有资产管理的有关规定。A:合作经营企业

小王，小赵和小李的艺术专长分别为小提琴，二胡和古筝。已知：小王比小赵年龄大，小李

商业银行分支机构要开展相关个人理财业务之前，应持其总行的授权文件，按照有关规定，

中药不良反应常见的皮肤症状有A.荨麻疹 B.血管性水肿 C.色素沉着 D.

根据外商投资法律制度的规定，下列选项中，属于外商投资的有（ ）。A.外国投资者单

根据外商投资法律制度的规定，下列选项中，属于外商投资的有（　）。A.外国投资者单