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標題:
sample standard deviation
發問:
圖片參考：http://img443.imageshack.us/img443/8938/ins8.png how to calculate the sample standard deviation? Can someone help? It would be appreciated with detailed explanation . Thank you for your time and effort. Thanks a lot! 更新: the sample size of both city is 50 thanks!
最佳解答:
You must provide the sample size of City A and City B before we can calculate. 2013-10-17 16:57:31 補充： You are very polite. Please read: 圖片參考：http://imgcld.yimg.com/8/n/HA00430218/o/20131017165651.jpg
sample standard deviation
發問:
圖片參考：http://img443.imageshack.us/img443/8938/ins8.png how to calculate the sample standard deviation? Can someone help? It would be appreciated with detailed explanation . Thank you for your time and effort. Thanks a lot! 更新: the sample size of both city is 50 thanks!
最佳解答:
You must provide the sample size of City A and City B before we can calculate. 2013-10-17 16:57:31 補充： You are very polite. Please read: 圖片參考：http://imgcld.yimg.com/8/n/HA00430218/o/20131017165651.jpg
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