求数据501,502,503,504,505,506,507,508,509的标准差

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求数据501,502,503,504,505,506,507,508,509的标准差求数据501,502,503,504,505,506,507,508,509的标准差求数据501,502,503,5

求数据501,502,503,504,505,506,507,508,509的标准差
求数据501,502,503,504,505,506,507,508,509的标准差

求数据501,502,503,504,505,506,507,508,509的标准差
标准差:2.581988897
方差:6.666666667

[(501-505)^2+(502-505)^2+(503-505)^2+(504-505)^2+(505-505)^2+(506-505)^2+(507-505)^2+(508-505)^2+(509-505)^2]/9=6.67
根号6.67=2.58