[商管] [統計]-求棄卻域
隨機抽取9 位參與某次減肥活動者,在減肥前及減肥活動後1 個月分別量其體重,得到下
列的資料(單位:公斤):
減肥前體重 76 82 82 85 62 69 77 75 73
減肥後體重 73 80 78 86 58 68 75 76 69
活動主持人聲稱參加減肥活動1 個月後可以減少3 公斤以上,
當α = 0.05 時,棄卻域為?
不知道為什麼算出來的答案超怪的,
謝謝!!!!!!!!!!!!!!!!!
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