简述直方图的应用程序。
参考答案:
①手机数据
②确定数据的极差
③确定组距
④确定各组的界限值
⑤编制频数分布图
⑥按数据值比例画横坐标
⑦按频数值比例画纵坐标
⑧画直方图
—Could you tell us what has happened to Mary?
—She ________ to the picnic next weekend if her business trip to Hawaii had not been cancelled. [ ]
A. would not go
B. would not have gone
C. shall not go
D. shouldn't have gone
下面属于情感强烈而不稳定的人格障碍是()
A.偏执型
B.分裂型
C.癔症性
D.冲动性
E.强迫型