首页
登录
职称英语
A group of 20 values has a mean of 85 and a median of 80. A different group of 3
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
32
管理
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
[originaltext]Areyousometimesalittletiredandsleepyintheearlyafte
PassageOneItcanbeshowninfactsendfiguresthatcyclingistheche
实际劳动力人口与潜在劳动力人口之比称为( )。A.劳动力参与率 B.失业率
在地下水评分表中,将地下水按水量和压力水头分三种情况和地下水活动状态对应,其中压
长期运动训练可使心壁结构发生适应性的变化,但不包括下列哪一选项?()A.心内膜
学生在老师的引导下所表现出的积极态度和有独立性,创造性的学习行为称之为()。A
政治权利,是公民参与国家政治活动的权利和自由的统称。下列属于政治权利的有A.选举
山楂的主治病证不包括A.肉积不消 B.泻痢腹痛 C.瘀血痛经 D.乳汁瘀积
显微血管外科手术后室温最好保持在A.10℃左右 B.15°C左右 C.
劳动关系运行的规则网络是由()方面所构成的。A.法律 B.权力 C.传统
最新回复
(
0
)