Question: Control charts for X-bar and S are maintained for the fill volume of protein shake drink. The specifications are 330 = 10 mL. After 40

Control charts for X-bar and S are maintained for

Control charts for X-bar and S are maintained for the fill volume of protein shake drink. The specifications are 330 = 10 mL. After 40 samples of size n=7 are analyzed, we find that: 40 40 i = 13,200 Si = 296 i=1 i=1 Find the best estimate of the process standard deviation. 7.498 7.400 7.570 2.737 7.713 8.032

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