Question: solve in excel and show steps and equations please Sample means: 1.005, 1.001, 998, 1.002, .995, and 999, is the process in control? 3. The

solve in excel and show steps and equations

solve in excel and show steps and equations please

Sample means: 1.005, 1.001, 998, 1.002, .995, and 999, is the process in control? 3. The time to replace vehicle wiper blades at a service center was monitored using a mean and a range chart. Six samples of n = 20 observations were obtained and the sample means and ranges computed: Sample Mean Range Sample Mean Range 1 3.06 42 4 3.13 .46 2 3.15 .50 5 3.06 .46 3 3.11 .41 6 3.09 45 a. Using the factors in Table 10.3, determine upper and lower limits for mean and range charts. b. Is the process in control? Page 435

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