Standard Deviation Question

👨🏻‍🏫 學術台數學

[匿名]

2011-09-29 6:08 pm

Find the value of k if standard deviation of the following set of data is 16.167. (Answer: 13)Class mark5152535455565758595Frequency1238k43131052

更新1:

How to calculate??? I don't know how to calculate the answer...

回答 (3)

用戶9112

2011-09-29 8:22 pm

✔ 最佳答案

Please check your question, the answer does not match with your question.

2011-09-29 12:22:37 補充：
http://i1090.photobucket.com/albums/i376/Nelson_Yu/int2-23.jpg

圖片參考：http://i1090.photobucket.com/albums/i376/Nelson_Yu/int2-23.jpg

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myisland8132

2011-09-29 7:35 pm

Agree with 001 and 002 !

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用戶25975

2011-09-29 7:09 pm

When k = 13, standard dev. = 16.086

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