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【简答题】
在某地区抽取120家企业,按利润进行分组如下: 按利润额分组 企业数(个) 200~300 19 300~400 30 400~500 42 500~600 18 600以上 11 合计 120 要求 1、计算120家企业利润额的平均数和标准差 2、计算分布的偏态系数和峰态系数
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举一反三
【判断题】At the meeting with Wat Tyler, Richard III gave in to all of the peasants, demands and asked that they go home in peace.
A.
正确
B.
错误
【简答题】Everything will _______ depend on what is said at the meeting with the directors next week.
【简答题】Everything will ______ depend on what is said at the meeting with the directors next week. (ultimate)
【单选题】Everything will______depend on what is said at the meeting with the directors next week.
A.
recently
B.
ultimately
C.
repeatedly
D.
lately
【判断题】At the meeting with Wat Tyler, Richard III gave in to all of the demands and asked that they go home in peace.
A.
正确
B.
错误
【简答题】Gifts are normally exchanged at the beginning of the meeting with Japanese and(应该用双手接送).
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