统计中所说的样本是指（）。 -题库考试答案搜索网

统计中所说的样本是指（）。

单选题

2021-12-30 04:50

A、随意从总体中抽取出的部分个体
B、依照研究者要求从总体中抽取出有意义的部分个体
C、按照随机原则抽取总体中有代表性的部分个体
D、依照研究者要求从总体中抽取的部分个体
E、按分布的顺序抽取部分个体

查看答案

正确答案

C

试题解析

标签：卫生统计学卫生毒理(医学高级) 传染性疾病控制疾病控制(医学高级)

感兴趣题目

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

运用统计理论和方法，对医疗卫生工作领域和医学科学研究工作进行科学、系统的分析，得到真实可靠的结论称为（）。

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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.; 发现医学上认为不宜生育的严重遗传性疾病，或其他重要脏器疾病时，婚前医学检查单位应向接受婚前医学检查的当事人出具的《婚前医学检查证明》为
发现指定传染病在传染期内、有关精神病在发病期间内时，婚前医学检查单位应向接受婚前医学检查的当事人出具的《婚前医学检查证明》为; 世界卫生组织推荐使用的口服补液盐（ORS）溶液的张力为（）。; 统计质量控制方法以1924年美国的休哈特提出的（）为起点，经过了半个多世纪的发展，形成初级、中级和高级统计管理方法。; 《传染病防治法》规定，医疗保健机构、卫生防疫机构发现传染病时，应当及时采取控制措施，应当在指定场所进行医学观察的是（）; Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.; 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.; 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.; 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）（）; （）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.; 输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。; 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.

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧