2. 欲瞭解某產品的黏度與溫度是否相關時,下列何工具最適當?
(A)特性要因圖(cause-and-effect diagram)
(B)柏拉圖(pareto diagram)
(C)直方圖(histogram)
(D)散佈圖(scatter diagram)

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統計: A(0), B(0), C(0), D(2), E(0) #2979379