最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦~
Five points lie on line y=5x+30. If the standard deviation of all the x-coordinates of the five points is 4.6, then what is the standard deviation of all the y-coordinates of the five points?
23 显示答案
以上解析由 考满分老师提供。