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List A: 1, 5, 9, 13, 4
List B: 1, 5, 9, 13, 9
List C: 1, 5, 9, 13, 7
List D: 1, 5, 9, 13, 6
The standard deviation of n numerical data $$ x_{1}, x_{2}, x_{3}, ..., x_{n}$$, With mean $$\bar{x}$$ is equal to $$\sqrt{\frac{S}{n}}$$, where S is the sum of the squared differences $$(x_{i}-\bar{x})^{2}$$, for 1 ≤ i ≤ n.
Which of the following shows lists A, B, C, and D in order from the list with the least standard deviation to the list with the greatest standard deviation?
List B: 1, 5, 9, 13, 9
List C: 1, 5, 9, 13, 7
List D: 1, 5, 9, 13, 6
The standard deviation of n numerical data $$ x_{1}, x_{2}, x_{3}, ..., x_{n}$$, With mean $$\bar{x}$$ is equal to $$\sqrt{\frac{S}{n}}$$, where S is the sum of the squared differences $$(x_{i}-\bar{x})^{2}$$, for 1 ≤ i ≤ n.
Which of the following shows lists A, B, C, and D in order from the list with the least standard deviation to the list with the greatest standard deviation?
E显示答案
· 相关考点
5.2.9 标准差
5.2.9 标准差
以上解析由 考满分老师提供。
