题目内容双击单词支持查询和收藏哦～

收藏纠错

The table above lists the rainfall, in centimeters, for June, July, and August in selected cities. Based on the information given,which of the following statements are true?

Indicate all such statements.

A.In City A, the percent decrease in the rainfall from June to July was equal to the percent increase in the rainfall from July to August.
B.In City C, the rainfall for July was greater than the average (arithmetic mean) of the rainfall amounts for June, July, and August.
C.The standard deviation of the rainfall amounts for June, July, and August in City E was greater than that in City C.

B,C显示答案

登录后才可以添加做题笔记哦，还没有账号？马上注册

· 相关考点

5.2.9 标准差

以上解析由考满分老师提供。

题目讨论

已经输入 0 个字标记为提问，会有更多小伙伴帮你解答提交

全部讨论

只看提问

按时间排序

按点赞数排序

拓展练习

练习记录

最新提问

题目内容双击单词支持查询和收藏哦～

题目讨论