※ 引述《newtom (林老師)》之銘言： : 以下文章,為CNET一些用戶對Acer新出的筆電 : TravelMate 8200的評價,三名用戶分別給分: : 8分,6分,2分,平均得分5.333.... 才三名用戶就想去挑戰符合統計學上的意義?? 此外你有沒有看到你的組間差距這麼大 光是standard err就超過實際結果 更不用去算P值了 這表示在統計學上已經失去了意義 根本不具備比較上的意義 同時你所提供的網頁上的分數寫的是7.7分不是五點三分 如果你是我碩士班的同學一是那種會被台下老師電到爆炸的天兵 : 價格:2500USD = 80000NT,其中列出的問題:記 : 憶體時脈規格不符,散熱設計不良,硬碟分割格 : 式老舊,網路連接不良.... : Toshiba推出的Qosmio G25-AV513,同樣價格, : 用戶平均得分是7.7分...... : -------------------------------------------------- : Acer TravelMate 8200 5.3分 : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4505-3121_7-31679411.html?tag=prmo1 那你要不要比一下低階價格的部分(比如說5502) 來跟日系機種的低價格系列比較一下 只拿一台沒什麼人會選擇的8系列來比(宏碁主力是放在八系列嗎?) 根本只是扭曲統計學想玩弄科學上的把戲 真要比較就應該把所有的機種通通拿出來比較同時平均分數之後 至少要用T-Student計算出差異性以及P值 這樣才有比較上的意義 同時我看到的分數是7.7分而不是你說的5.3分(這是打開你的網頁直接出來的分數) 同時你下面那台的分數範圍是7.7-8.1分 同時這兩台機器的價差最高可以差到400美金 (online micro對比於buy.com) 這樣還能叫做同樣價格 閣下的財經實力真是不容小看 好 你扯出這台機器來比較 那我提議你去看看5系列之下的平價系列 再同時拿出T或S牌相同價格的機種來比較(此區段也是最多人購買的價格區段) 你可以看看acer5502的分數以及網友平價 http://reviews.cnet.com/Acer_Aspire_5002WLMi_Turion_64_ML_30_1_6_GHz_15_TFT/4852-3121_7-31356797.html?tag=uolst 平均分數7.9分 只要美金999的售價 讓大多數的人對於其價格以及功能與以讚賞 如果看看你所講的Toshiba的機種 一台要價美金2000-2900 我們把分數除以價格得到一個值 兩邊的C/P值馬上立見高下 基本除法你應該會作吧 此外...有時間把分數抬上來也要多學點統計學吧 我第一次看到只有三個人的分數同時組間差距那麼大也能當作統計上的意義 而你偏偏只挑一台對你有利的機種來回應 嘖嘖...真不知道你學校的老師是怎麼教你的關於科學這回事 最後在給你個提示 你去看看原文 我有說過 主力機種的相同規格內容上 日系的要比宏碁貴上一萬塊以上 這樣你還是不懂對不對 既然你那麼迷信分數 你去把該分數除以價格 你就知道為什麼我們A牌不會輸給日本牌了 : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1740411&cval=1740411&tag=uolst : Full user opinion : 1. You can't use it in LAN because internal NIC Intel Pro has NOT RESOLVED : problem and connection unstable (restart connection each 10 seconds). : 2. Wrong memory freq 533 (DDR2 533 SDRAM) but specification has DDR2 667 : SDRAM. At first time the Acer say thet is web site mistake but now it say : that SPECIFICATION IS CHANGED. But Acer can't answer WHEN it changed. : 3. Hibernate don't work - KB909095 : 4. Acer support is VERY BAD. It can't resolve any real problem and don't : accept Acer mistakes. : DON'T BUY ACER! : Links: : http://www.notebookforums.com/showthread.php?t=133673 : http://forum.notebookreview.com/showthread.php?t=39488&page=1 : http://www.notebookforums.com/showthread.php?t=133494 : ==================================================================== : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1729517&cval=1729517&tag=uolst : Full user opinion : I've only had this a day, and it's an impressive machine. : Network, Bluetooth etc work fine. Screen wasn't missing a pixel. Performance : is pretty snappy (I do sw development and have a lot of things running at : once). : But... : Why would anyone ship XP on FAT32 partitions these days? Just so I can go : reformat them to NTFS? When I tried to add windows components (IIS, : Indexing), XP claimed it couldn't copy necessary files, even though they're : there on the disk. Working with Acer to find out what that's about. : Also, Linux seems maybe not quite ready for this machine, though my : investigation is early. : But most people needn't worry about these nits: it's still an impressive : machine and very aethetically pleasing with good performance. : ======================================================================== : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1739899&cval=1739899&tag=uolst : Full user opinion : TM 8204WMI bought in Canada for CAD $2,450 + tax. : I didn't have any problems installing IIS as in previous review. : Big disappointment is that fan is blowing hot air into your right arm when : using mouse :( : I also have Acer Aspire 2000 with Pentium M 1.6 GHz and it's completely quiet : and almost never uses the fan. ※ 引述《newtom (林老師)》之銘言： : 以下文章,為CNET一些用戶對Acer新出的筆電 : TravelMate 8200的評價,三名用戶分別給分: : 8分,6分,2分,平均得分5.333.... : 價格:2500USD = 80000NT,其中列出的問題:記 : 憶體時脈規格不符,散熱設計不良,硬碟分割格 : 式老舊,網路連接不良.... : Toshiba推出的Qosmio G25-AV513,同樣價格, : 用戶平均得分是7.7分...... : -------------------------------------------------- : Acer TravelMate 8200 5.3分 : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4505-3121_7-31679411.html?tag=prmo1 : Toshiba Qosmio G25-AV513 7.7分 : http://reviews.cnet.com/Toshiba_Qosmio_G25_AV513 : /4505-3121_7-31413530.html?tag=tpr : ===================================================== : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1740411&cval=1740411&tag=uolst : Full user opinion : 1. You can't use it in LAN because internal NIC Intel Pro has NOT RESOLVED : problem and connection unstable (restart connection each 10 seconds). : 2. Wrong memory freq 533 (DDR2 533 SDRAM) but specification has DDR2 667 : SDRAM. At first time the Acer say thet is web site mistake but now it say : that SPECIFICATION IS CHANGED. But Acer can't answer WHEN it changed. : 3. Hibernate don't work - KB909095 : 4. Acer support is VERY BAD. It can't resolve any real problem and don't : accept Acer mistakes. : DON'T BUY ACER! : Links: : http://www.notebookforums.com/showthread.php?t=133673 : http://forum.notebookreview.com/showthread.php?t=39488&page=1 : http://www.notebookforums.com/showthread.php?t=133494 : ==================================================================== : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1729517&cval=1729517&tag=uolst : Full user opinion : I've only had this a day, and it's an impressive machine. : Network, Bluetooth etc work fine. Screen wasn't missing a pixel. Performance : is pretty snappy (I do sw development and have a lot of things running at : once). : But... : Why would anyone ship XP on FAT32 partitions these days? Just so I can go : reformat them to NTFS? When I tried to add windows components (IIS, : Indexing), XP claimed it couldn't copy necessary files, even though they're : there on the disk. Working with Acer to find out what that's about. : Also, Linux seems maybe not quite ready for this machine, though my : investigation is early. : But most people needn't worry about these nits: it's still an impressive : machine and very aethetically pleasing with good performance. : ======================================================================== : http://reviews.cnet.com/Acer_TravelMate_8200/ : 4864-3121_7-31679411.html?ctype=msgid&message : SiteID=7&messageID=1739899&cval=1739899&tag=uolst : Full user opinion : TM 8204WMI bought in Canada for CAD $2,450 + tax. : I didn't have any problems installing IIS as in previous review. : Big disappointment is that fan is blowing hot air into your right arm when : using mouse :( : I also have Acer Aspire 2000 with Pentium M 1.6 GHz and it's completely quiet : and almost never uses the fan. 你不要告訴我 最後一段評價也是負面評價 就連熱風吹到手上也能當作科學上的參考 這樣會逗我笑XD 那我也給你個非科學的參考意見 我在這邊的同學 有兩個用T牌的筆電 全都幹的要死 熱當死當無預警自動關機每個禮拜都會發生 才買不到三年的電腦問題一堆 她們不會上網去評價啦...因為根本就常常網卡故障連不上網路 XD -- http://blog.webs-tv.net/dearevan ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ --

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