Question: 9 The data given below are taken from a process of acceptable mean value o=8.0_and_unacceptable mean value = 7.5 and known standard deviation of

9 The data given below are taken from a process of acceptable mean value o=8.0_and_unacceptable mean value = 7.5 and known standard deviation of 0.45. Sample number x Sample number x 10 1234567899 8.04 11 8.11 7.84 12 7.80 8.46 13 7.86 7.73 14 7.23 8.44 15 7.33 7.50 16 7.30 8.28 17 7.67 7.62 18 6.90 8.33 19 7.60 20 220 7.38 7.44
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