直方图的分布形状及分布区间宽窄是由质量特性统计数据的（）决定。
A.平均值
B.标准偏差
C.最大值
D.最小值
E.中位数
参考答案：A, B
根据句子意思，用括号中所给单词的正确形式填空。
1. If Simon __________ (have) time next weekend, he will go to the zoo.
2. How __________ (care) you are! You've knocked the cup off the table again!
3. Yesterday was the __________ (hot) day of the year.
4. It seemed that the victim had many __________ (enemy).
5. I'm patient. I don't mind __________ (wait) for people.
汇总记账凭证账务处理程序是什么
