如果结果不匹配，请 
更多“73， 65， 57， ， 41A．49 B．51 C．43…”相关的问题
某班40名学生统计学考试成绩分别为：
57 89 49 84 86 87 75 73 72 68
75 82 97 81 67 81 54 79 87 95
76 71 60 90 65 76 72 70 86 85
89 89 64 57 83 81 78 87 72 61
要求：将该班学生分为不及格、及格、中、良、优五组，编制一张分配数列表。
某班40名学生统计学考试成绩分别为：
66 89 88 84 86 87 75 73 72 68 75 82 97 58
81 54 79 76 95 76 71 60 90 65 76 72 76 85
89 92 64 57 83 81 78 77 72 61 70 81
学校规定：60分以下为不及格，60～70分为及格，70～80分为中，80～90分为良，90～100分为优。
要求：
A.87±1.96×65
B.87±1.64×65
C.73±1.96×65
D.73±1.64×65
E.7~233
子与高个子两类，数据如下：
矮个子总统 85 79 67 90 80
高个子总统 68 53 63 70 88 74 64 66 60 60 78 71 67
90 73 71 77 72 57 78 67 56 63 64 83 65
假设2个寿命总体均服从正态分布且方差相等．试问这些数据是否符合上述推测(α=0.05)．
However, it is very 58 to ask children their age, and some adults may not mind 59 either. In fact, some elderly people are quite happy to 60 their age, especially if they feel they look young 61 their age. Nevertheless, it is not very wise to ask a(n) 62 question like "How old are you？". If elderly people want to talk about--their age, and perhaps receive a compliment on how young they look, they may easily 63 the topic themselves, and ask the other person to 64 how old they are. 65 such a question, it is quite acceptable to discuss age 66 They normally expect to be complimented on their youthfulness, though rather than 67 that they look very old! 68 Westerners do not usually ask people directly how old they are, this does not 69 that they are not interested to know how old other peo-ple are. They may ask someone else 70 the information, 71 they may try to 72 the topic indirectly. Sometimes discussions about educational 73 and the number of years of working experience may provide some 74 , but this is not always the 75。根据以上内容，回答题。
材料题请点击右侧查看材料问题 查看材料
A.on
B.in
C.for
D.of
根据下列材料请回答 73～75 题：
第 73 题 The Americans go to the movies mainly because they want＿＿＿．
73～76 题共用以下备选答案。
第 73 题 依法行使药品监督管理，保证人民用药安全、有效的行政执法部门是（）
