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【单选题】
抽样的目的就是要根据样本( )去估计总体参数。A.
统计量
B.
资料
C.
数值
D.
指标
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】信号 的基本周期是 。
【单选题】【T4】 LEARN TO ON OR NOT
A.
WHETHER WE LIKE IT【T1】______
B.
HAVE TO【T2】______ ACCEPT
C.
THAT EXISTS【T3】______ PLANET EARTH THE FILM SHOWS HOW WONDERFULLY GENTLE AND CARING ELEPHANTS ARE, AND JUST HOW INTELLIGENT AND 'HUMAN' THEY ARE AS WELL. PEOPLE【T4】______ THAT WE HUMANS ARE, IN FACT, ANIMALS.【T5】______ , WE ARE STILL PART OF THE WHOL E. EVERY SPECIES【T6】______ HAS A ROLE TO PLAY. THE ROLE OF HUMANS HAS, ON THE WHOLE, BEEN DESTRUCTIV E. HUMANS NEED TO HAVE MORE RESPECT FOR NATUR E.
【简答题】为何孕妇患妊娠期高血压疾病时慎用利尿药物?仅限于哪些情况时应用?
【简答题】为何孕妇患妊娠期高血压疾病时慎用利尿药物?仅限于哪些情况时应用?
【简答题】【T3】 LEARN TO ON OR NOT A. WHETHER WE LIKE IT【T1】______ B. HAVE TO【T2】______ ACCEPT C. THAT EXISTS【T3】______ PLANET EARTH THE FILM SHOWS HOW WONDERFULLY GENTLE AND CARING ELEPHANTS ARE, AND JUST HOW I...
【简答题】【T2】 LEARN TO ON OR NOT A. WHETHER WE LIKE IT【T1】______ B. HAVE TO【T2】______ ACCEPT C. THAT EXISTS【T3】______ PLANET EARTH THE FILM SHOWS HOW WONDERFULLY GENTLE AND CARING ELEPHANTS ARE, AND JUST HOW I...
【简答题】,则信号f(t) 的基本周期是() 。
【简答题】【T1】 LEARN TO ON OR NOT A. WHETHER WE LIKE IT【T1】______ B. HAVE TO【T2】______ ACCEPT C. THAT EXISTS【T3】______ PLANET EARTH THE FILM SHOWS HOW WONDERFULLY GENTLE AND CARING ELEPHANTS ARE, AND JUST HOW I...
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