Question: PLEASE EXPLAIN HOW TO SOLVE THIS I WILL LEAVE THUMBS UP Problem 1 A technician in a quick oil change shop had the following service

PLEASE EXPLAIN HOW TO SOLVE THIS

I WILL LEAVE THUMBS UP

PLEASE EXPLAIN HOW TO SOLVE THIS I WILL LEAVE

Problem 1 A technician in a quick oil change shop had the following service times in minutes) for 20 randomly selected cars: Sample 1 2 3 4 3.4 3.5 3.4 3.6 3.1 .1 3.4 3.5 3.5 3.1 3.3 3.3 3.7 3.2 3.6 3.3 3.4 3.2 . 3.2 3.5 3.8 a. Construct the control charts for sample mean and sample range using the Alternate method (table below). Are any sample means and ranges beyond the control limits? If so, which one(s)? 1 4 1 2 Observation 3 4 12.11 12.10 12.11 12.08 12.10 Sample 2 3 12.15 12.09 12.12 12.09 12.10 12.11 12.11 12.15 12.12 12.11 12.12 12.10 12.08 12.10 12.10 5 12.09 12.14 12.13 12.12 12.12

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