抽样误差是指调查中产生的系统性误。

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问题:

抽样误差是指调查中产生的系统性误。

考点:中级统计师参数估计参数估计题库
题型:判断题

An 8-year-old child enters a health care facility. During assessment, the nurse discovers that the child is experiencing the anxiety of separation from his parents. The nurse makes the nursing diagnosis of Fear related to separation from familiar environment and family. Which nursing intervention is most likely to help the child cope with fear and separation

A. Ask the parents not to visit the child until he has adjusted to the new environment.
B. Ask the physician to explain to the child why he needs to stay in the health care facility.
C. Explain to the child that he must act like an adult while he’s in the facility.
D. Have the parents stay with the child and participate in his car

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用糖皮质激素治疗原发性血小板减少性紫癜,下列哪一项是正确的()

A.血小板上升前出血症状即可改善

B.停药后不易复发

C.复发时再用无效

D.主要作用是抑制抗体生成

E.妊娠初期病人可以应用

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电池为主电源进入仪器后,不需要稳压就可以作为基础电源。

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关于急性肾炎的治疗下列正确的是

A.对症治疗

B.急性期1~2周内应卧床休息

C.必须使用青霉素治疗

D.注意防治合并症

E.禁止肾毒性药物的使用

题型:判断题

电动机绕组为F级,其允许最高温度为120℃

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