The arithmetic mean and standard deviation of certain normal distribution are 13.5 and 1.5,respectively.What’s value is exactly standard deviations less than the mean? Correct Answer 10.5 题目啥意思啊? 请nn们帮忙解答下喔~~~
The arithmetic mean and standard deviation of certain normal distribution are 13.5 and 1.5,respectively.What’s value is exactly standard deviations less than the mean? Correct Answer 10.5 题目啥意思啊? 请nn们帮忙解答下喔~~~