那你認為樣本應該怎麽取?按年齡、按性別那也有呀,可對你選車沒有太大的指導意義
所有跟帖:
• 不自己動腦筋,隻受指導選車沒有意義。 -QuantPM- ♂ (628 bytes) () 03/26/2014 postreply 14:23:21
• 不自己動腦筋,隻受指導選車沒有意義。 -QuantPM- ♂ (628 bytes) () 03/26/2014 postreply 14:23:21
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