九月休日記事
6 months ago
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Elegance
Elegance is the attribute of being unusually effective and simple. It is frequently used as a standard of tastefulness, particularly in the areas of...(Read More)
Office
An office is generally a room or other area in which people work, but may also denote a position within an organization with specific duties attached...(Read More)
Testing Post
» An Image» A normal paragraph Ea eam labores imperdiet, apeirian democritum ei nam, doming neglegentur ad vis. Ne malorum ceteros feugait quo, ius...(Read More)
Lorem 1
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,...(Read More)
Lorem
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,...(Read More)
About The Author
羅莉是個三不五時夢想一下的女生。大部分時間平淡過著生活，喜新厭舊的速度比一般人稍快一些。去海邊喝杯咖啡;去城市看部小電影;漫無目的亂走路。歡迎你邀請我。
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缺席的照片：關於那些沒拍下的瞬間6 years ago
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跟十八歲的自己說話6 years ago
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我到了上海還是找不到自己，卻學會如何「用心生活」8 years ago
2 意見:
Ho:亂逛bar=在家bar
H1:亂逛bar，在家bar不相等
變異數未知 用t檢定
t 檢定：兩個母體平均數差的檢定，假設變異數不相等
在家 亂逛
平均數 6.8 95.9
變異數 126.8777778 177.8777778
觀察值個數 10 10
假設的均數差 0
自由度 18
t 統計 -16.13993898
P(T<=t) 單尾 1.88072E-12
臨界值：單尾 1.734063592
P(T<=t) 雙尾 3.76144E-12
臨界值：雙尾 2.100922037
結論:不顯著 接受Ho==>不獨立!!
哈哈哈....(我中毒了)..真的用excel幫你算..
我只能說大可愛
你統計期末一定會考很好的
連這樣也能算!?佩服佩服
不愧是圖書館統計魔人!!! ^^b
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