Question: [ Q 1 0 ] Historically, Acme Co s customer service response time ( the time from when customers report a problem until that problem

[Q10] Historically, Acme Cos customer service response time (the time from when customers report a problem until that problem is solved) has been 8 days on average--give or take 1 day. Over the past few months, there have been quite a few reports of response times over 10 days and under 6 days. If Acme were using statistical process control to monitor response time...
Group of answer choices
This change could not be detected
This change could only be detected using a p chart
This change in response time could only be detected using an R Chart
This change in response time could only be detected using an X Bar chart

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