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¦^´_ 4# cfuxiong
WorksheetFunction.Slope ¤èªk
        ¶Ç¦^½u©Ê°jÂk½uªº±×²v¡C¦¹½u©Ê°jÂk½u¬ï¹L known_y's ©M known_x's ùتº¸ê®ÆÂI¡C
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        ¨ä¤¤¡Ax ¤Î y ¬°¼Ë¥»¥­§¡¼Æ AVERAGE(known_x¡¦s) ©M AVERAGE(known_y¡¦s)¡C
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SLOPE(known_y's,known_x's) ¨ç¼Æ·|¶Ç¦^³Q¥Î¨Ó¹w´ú y ­È±q x ­Èªº½u©Ê°jÂk½uªº±×²v¡C
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y ­È        x ­È               
1        = 3 + 10 ^$ D$ 3                10 ªº­¼¾­来¥[¤J¦Ü¸ê®Æ
2        = 4 + 10 ^$ D$ 3                0
3        = 2 + 10 ^$ D$ 3               
4        = 5 + 10 ^$ D$ 3               
5        = 4 + 10 ^$ D$ 3               
6        = 7 + 10 ^$ D$ 3                2003 pre-Excel
                        ·í D3 = 7.5
=SLOPE(A2:A7,B2:B7)                        0.75
                       
                        ·í D3 = 8
                        #DIV/0!
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¼W¥[Àx¦s®æ D3 ¤¤ªº­È¥[¤JÀx¦s®æ b2: b7 ¤¤¸û¤jªº±`¼Æ¡C¦pªGÀx¦s®æ D3 ¤p©ó©Îµ¥©ó 7¡A«h¤£·|¥X²{¦b²Ä¤@¦¸ªº 6 ­Ó¤p¼Æ¦ì¼Æªº±×²vªº±Ë¤J¿ù»~¡C¦ý¬O¡AµM«á­«¸Õ 7.25¡B 7.5¡B 7.75 ©M 8¡CÀx¦s®æ D7:D12 Åã¥Ü±×²v­È·íÀx¦s®æ D3 ¤À§O = 7.5 ©M 8¡C½Ðª`·N±Ë¤J¿ù»~Åܱo¹L©óÄY­«°£¥H 0 ·|µo¥Í·íÀx¦s®æ D3 = 8¡C

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