首页/ 题库 / [单选题]判断两个现象相关关系密切程度越强时,相关的答案

判断两个现象相关关系密切程度越强时,相关系数r的绝对值是()

单选题
2021-12-24 23:55
A、大于1
B、小于1
C、等于1
D、接近于1
E、接近于0
查看答案

正确答案
D

试题解析
相关系数的数值范围为-1≤r≤1,r值为正表示正相关,接近1时正相关越密切;r值为负表示负相关,接近-1时负相关越密切;所以r的绝对值越接近1,说明两个现象相关关系越密切,r的绝对值越接近于0,说明相关性越差。

感兴趣题目
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
按照国家有关文件要求,定向医学生需参加全科专业住院医师规范化培训,培训期限为()年,记入定向医学生6年服务期。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
社区卫生服务是在政府领导、社区参与、上级卫生机构指导下,以基层卫生机构为主体,全科医师为骨干,合理使用社区资源和适宜技术,以人的健康为中心、家庭为单位、社区为范围、需求为导向,以妇女、儿童、老年人、慢性病人、残疾人为重点,以解决社区主要卫生问题、满足基本卫生服务需求为目的,融预防、医疗、保健、康复、健康教育、计划生育技术指导等为一体的,有效、经济、方便、综合、连续的基层卫生服务。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
卫生保健“九大制度”包括()、饮食制度、体格锻炼制度、()、卫生消毒及隔离制度、预防疾病制度、安全制度、卫生保健登记、统计制度及家长联系制度。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

医师在执业活动中违反卫生行政规章制度或者技术操作规范,造成严重后果的,责令暂停执业活动,暂停期限是
()是用一定技术方法检查产品是否带有有害微生物(群),是否符合国家卫生安全法规、标准限制要求的检验。
()负责拟订职业卫生法律法规、标准,规范职业病的预防、保健、检查和救治,负责职业卫生技术服务机构资质认定和职业卫生评价及化学品毒性鉴定工作。
biomembrane,or biological membrane (生物膜)
检索式“禽流感 or 预防”的基本含义是( )
我国住院医师规范化培训试点工作始于()
《继续教育暂行规定》和《住院医师制度化规范化培训条例(试行)》颁布于()
世界卫生组织推荐使用的口服补液盐(ORS)溶液的张力为()。
食品卫生微生物大肠菌群的检验步骤为()。
住院医师规范化培训
病例对照研究进行统计性推断时不匹配分层资料总的OR值计算公式是
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
试述住院医师规范化培训的培训对象、培训年限及培训内容。
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
广告位招租WX:84302438

免费的网站请分享给朋友吧