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qc工具之--散布圖、雷達(dá)圖-文庫吧資料

2025-01-22 16:35本頁面
  

【正文】 . . .. ... . ... .....散布圖 做法 ?? 散布圖的相關(guān)性判斷 散布圖 相關(guān)性判斷 1. 對照典型圖例判斷法 2. 象限判斷法 3. 相關(guān)系數(shù)判斷法 ?? X Y 0 X Y 0 X Y 0 X Y 0 X Y 0 X Y 0 強(qiáng)正相關(guān) 強(qiáng)負(fù)相關(guān) 弱正相關(guān) 弱負(fù)相關(guān) 不相關(guān) 非直線相關(guān) (曲線) ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ●● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 散布圖 6類型 ?? 實(shí)例-鋼的淬火溫度與硬度的相關(guān)關(guān)系判斷 序號 淬火溫度( C0) x 硬度( HRC) Y 序號 淬火溫度( C0) x 硬度( HRC) Y 1 810 47 16 820 48 2 890 56 17 860 55 3 850 48 18 870 55 4 840 45 19 830 49 5 850 54 20 820 44 6 890 59 21 810 44 7 870 50 22 850 53 8 860 51 23 880 54 9 810 42 24 880 57 0 820 53 25 840 50 11 840 52 26 880 54 12 870 53 27 830 46 13 830 51 28 860 52 14 830 45 29
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