標題:
用FX-50 計算mean同standard deviation既問題 (急用)
發問:
An analysis of the register, for a random sample of 100 days, results in the following information on the number, X, of visitors per dayNumber of visitors per day:1-10, 11-20, 21-25, 26-30, 31-35, 36-40, 41-50, 51-100Number of days:13, 33, 17, 12, 8, 5, 5, ... 顯示更多 An analysis of the register, for a random sample of 100 days, results in the following information on the number, X, of visitors per day Number of visitors per day: 1-10, 11-20, 21-25, 26-30, 31-35, 36-40, 41-50, 51-100 Number of days: 13, 33, 17, 12, 8, 5, 5, 7 以上題為例子 請問要點樣用FX-50 黎計算出mean同standard deviation?? 要用d咩模式, 禁d咩制同埋最後顯示出黎既答案係咩? 下個星期就考, 好急用架!! 唔該哂!
最佳解答:
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mode 3 shift AC(清data) put data in Eg: 5.5 X 13 M+ 15.5 X 33 M+ 25.5 X 17 M+ 35.5 X 12 M+ . .......... ............ shift 1=mean shift 2 = standard deviation
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