You have been plotting the response time for servicing each customer at a bank teller on a run chart...

I prefer to leave answers to Experts. Thanks for Your kind Invitation.

the correct answer is trend analysis

My guess is that the answer is:

B. Trend Analysis

Trend analysis is the appropriate answer because other options are not relevant to the question.

Option B trend analysis is correct answer>>>>>>>

B.  Trend Analysis would be the right answer

B. Trend Analysis,..

Thanks

Thank you so much Mr. Farooq for your kind invitation; I prefer awaiting the Experts' answers.

thanks for invition ,,,,,,,,,, my choice is option B