Question: solve in excel and please show all steps. 3. The time to replace vehicle wiper blades at a service center was monitored using a man

solve in excel and please show all steps. 3. The

solve in excel and please show all steps.

3. The time to replace vehicle wiper blades at a service center was monitored using a man and a range chart Six amples of 20 observations were obtained and the sample means and ranges computed: Sample Mean Range Sample Mean Range 3.06 42 4 3.13 46 2 50 5 3.08 46 3 3.11 41 6 3.09 45 3.15 a. Using the factors in 'Table 10.3, determine upper and lower limits for men and range charts b. Is the process in control? Comunerade times in minutes) are being evaluated. Samples of live observations cach have been taken, and the results are as line thing ca and decide if the process is in control

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