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 30

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/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

Amongthemanywaysinwhichpeoplecommunicatethroughspeech,publicspeakin
Hereisapopularbeliefamongparentsthatschoolsarenolongerinterested
Inbusiness,manyplacesadoptacreditsystem,whichdatesbacktoancientt
根据高速公路沥青混合料配合比设计的有关规定，试回答下列问题。（8）为了确定最佳沥
在学习“平面向量”后，某数学教师安排了如下一道选择题：若非零向量a，b
具有散风寒，通鼻窍功效的药物是（　　）。A.桂枝 B.生姜 C.防风 D.
SLE最常累及的器官是（）。A.心脏 B.肺脏 C.肝脏 D.脾脏 E
下边四个小图形中，只有一个是由上边的四个图形拼合而成（只能通过上，下，左，右平移
新城的概念更强调了城市的相对独立性，它基本上是一定区域范围内的中心城市，为其本身
患者，女性，22岁，4天前因劳累出现左侧下后牙龈胀痛，进食吞咽时加重。昨日起出现

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

Amongthemanywaysinwhichpeoplecommunicatethroughspeech,publicspeakin

Hereisapopularbeliefamongparentsthatschoolsarenolongerinterested

Inbusiness,manyplacesadoptacreditsystem,whichdatesbacktoancientt

根据高速公路沥青混合料配合比设计的有关规定，试回答下列问题。（8）为了确定最佳沥

在学习“平面向量”后，某数学教师安排了如下一道选择题： 若非零向量a，b

具有散风寒，通鼻窍功效的药物是（ ）。A.桂枝 B.生姜 C.防风 D.

SLE最常累及的器官是（）。A.心脏 B.肺脏 C.肝脏 D.脾脏 E

下边四个小图形中，只有一个是由上边的四个图形拼合而成（只能通过上，下，左，右平移

新城的概念更强调了城市的相对独立性，它基本上是一定区域范围内的中心城市，为其本身

患者，女性，22岁，4天前因劳累出现左侧下后牙龈胀痛，进食吞咽时加重。昨日起出现

在学习“平面向量”后，某数学教师安排了如下一道选择题：若非零向量a，b

具有散风寒，通鼻窍功效的药物是（　　）。A.桂枝 B.生姜 C.防风 D.