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The standard deviation of n numbers $$x_{1}$$, $$x_{2}$$, $$x_{3}$$,......, $$x_{n}$$, with mean x is equal to $$\sqrt{\frac{s}{n}}$$, where S is the sum of the squared differences, $$(x_{i}- x)^{2}$$ for 1 ≤ i ≤ n.
c,c,c,2c,4c,4c,5c,6c
In the list of 8 numbers shown, c > 0. Which of the following is closest to the standard deviation of the 8 numbers?
c,c,c,2c,4c,4c,5c,6c
In the list of 8 numbers shown, c > 0. Which of the following is closest to the standard deviation of the 8 numbers?
B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。
