首页
登录
职称英语
COMPARISON OF TEST SCORES FOR TWO CLASSES[img]ct_4image004[/img]Column A
COMPARISON OF TEST SCORES FOR TWO CLASSES[img]ct_4image004[/img]Column A
游客
2024-01-12
15
管理
问题
COMPARISON OF TEST SCORES FOR TWO CLASSES
Column A Column B
The mean of the 45 scores The median of the 45 scores
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
D
解析
标题:两个班级考试分数的比较解:本题的正确答案是(D)。根据平均值(mean)与中数(median)的定义可知,它们两者之间不存在任何确定的关系。本题只可以算出左项,但无法得出右项,但右项必然小于或等于84,如果左项大于84,则选(A),但如果小于或等于84,则无法判断,左项为:(15×80+30×74) / 45 = 76
转载请注明原文地址:https://tihaiku.com/zcyy/3356629.html
相关试题推荐
Reducingthesizeofclassesinschoolsisa______aiminthenearfuture.A、delig
Themeetingwillbeginat9:00accordingtothe______.A、calendarB、columnC、sch
Studentsareexpectedto______theirclassesregularly.A、comeB、goC、attendD、fol
Theincompletetableaboveshowsadistributionofscoresforaclassof25stud
Whichofthefollowing,iftrue,bestcompletestheargumentbelow?Comparisons
OnenotedeconomisthasmadeacomparisonoftheFederalReserveandanautomobi
Columnist:MetroCityhasalowerpercentageofresidentswithhumanitiesdegree
[img]ct_gre5image088[/img]PQ=OQ=5ColumnACo
Exactlyfourfacesofarectangularsolidarepainted.ColumnA
[img]ct_gre5image034[/img]ColumnAColumnBABCDisasquar
随机试题
DebateaboutproposalstoraisetheretirementageofChineseworkershasbe
AwomaninGuangzhouwasbittenbyherpetafterataxistruckthedogata
Thereisnobettersymbolofthebenefitsofglobalizationthanthecontaine
[originaltext]Goodafternoon.I’mTeresaDawn,thehousingdirectorherein
上下联动,攻坚克难,深化“放管服”改革,加快转变政府职能,不断提高行政效能。“放
根据《反不正当竞争法》及相关规定,下列关于侵犯商业秘密行为的法律责任的说法正确的
苯胺类药物不具有的作用有()。A.解热 B.镇痛 C.抗风湿 D.抗炎
莱菔子的功效是A.消食健胃,和中止泻 B.消食化积,化痰除痞 C.消食
A.登记造册,并向所在地县级药品监督管理部门申请销毁 B.登记造册,并向所在地
某建筑工程公司欲在自己的土地上开设商店,以补充任务不足时施工队伍的开支。根据预测
最新回复
(
0
)