測量的問題 - 土木
By Kama
at 2013-06-28T11:31
at 2013-06-28T11:31
Table of Contents
有一長方形土地面積,用一布卷尺量測a邊4次,
值為120.38, 119.82, 117.20, 119.80公尺。
而B邊距離量得5次,
值為70.03, 70.12, 70.12, 70.05, 69.80公尺。
請問觀測值中有無錯誤?
我是先求平均值求得誤差,
在求出標準誤差後,跟各值誤差比較
小於2倍標準誤差表示沒有錯誤
但這樣算出來數據都沒有錯誤= =
想請教是哪邊出了差錯
謝謝
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