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【单选题】
用频数表法计算大样本资料的中位数时( )A.
组距相等为宜
B.
不要求组距相等
C.
要求数据分布对称
D.
要求数据呈对数正态分布
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【单选题】In what units are heights and soundings in the chart? They are in ______.
A.
meters and fathoms
B.
fathoms and meters
C.
meter and fathom
D.
fathom and meter
【简答题】听音，选出你听到的单词。 ( ) 1. A. small ( ) 2. A. fish ( ) 3. A. twenty ( ) 4. A. juice ( ) 5. A. father B. nose B. party B. twelve B. pop B. mother C. elbow C. donut C. write C. water C. bro...
【简答题】fath er moth broth sist
【简答题】A different sort of generation gap is developing in the workplace. Someone --- specifically the father-daughter team of Larry and Meagan Johnson --- has figured out that on some American job sites, fi...
【单选题】Not only _______interested in Beijing Opera but ______beginning to show an interest in it.
A.
the father himself is; all his children are
B.
the father himself is; are all his children
C.
is the father himself; are all his children
D.
is the father himself; all his children are
【简答题】4 寻找热门查询： 搜索引擎会通过日志文件把用户每次检索使用的所有检索串都记录下来，每个查询串的长度为1-255字节。假设目前有一千万个记录，这些查询串的重复度比较高，虽然总数是1千万，但如果除去重复后，不超过3百万个。一个查询串的重复度越高，说明查询它的用户越多，也就是越热门。请你统计最热门的10个查询串，要求使用的内存不能超过1G。 （1）请描述你解决这个问题的思路； （2）请给出主要的处理流...
【单选题】What does the author intend to illustrate with the example of the gang member and his father?
A.
How the antiloitering law works.
B.
How to maintain charming image.
C.
How tough the crime polices were.
D.
Why Chicago's sweeping statute stroke down?
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