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Question: the following data are based on observations on stress resistance...

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The following data are based on observations on stress resistance of plastis 10 samples, obtained at equally spaced essary to crack a sheet). There are K time points, and each with n 5 observations 4 8 Sample No 1 2 6532.1 30.05 30.025 31.5 29.675 30.425 27.825 30.85 6.9 9.9 3 5 6 29.425 31.65 Range (R) 1.4 4.6 4.1 3.6 1.6 6.8 8.5 4.3 8.5 SD (S) 0.64 2.83 3.83 2.11 3.94 2.30 1.76 2.85 4.53 S chart, state your (a)- Compute and construct 3-sigma control limits for the x and conclusion with respect to variation.. Knowing that; x, 303.525 yS 26.36

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