Question: 1 Cell Styles Data M N 0 w X Quest 1-Perth Data represented here are the inner diamater of piston ring, collected from a piston-ring

1 Cell Styles Data M N 0 w X Quest 1-Perth Data represented here are the inner diamater of piston ring, collected from a piston-ring manufatcuring process. a) Calculate 50th, 75th percentile. b) Interpret 50th and 75th percentile in this case. c) Calculate confidence interval (CI) for the mean of data. Assueme that t-value is equal to 2. $ 50th Percentile 75th Percentile inner diameter 1 85.38 2 85.31 3 76.93 4 93.66 87.66 6 83.45 7 91.55 8 84.67 9 87.15 10 85.61 11 79.79 12 82.04 13 75.52 14 84.31 15 83.11 16 86.36 17 83.37 18 77.38 19 76.00 20 95.02 21 83.91 22 88.89 23 87.77 24 83.45 25 9147 26 82.55 27 72.63 28 83.93 29 77.41 30 8282 LCL ua +

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