The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the mean waiting time. Round your answer to one decimal place.

mean=

New Microsoft Office Excel Worksheet.xlsx

mean=sum of fx /sem of f

I don't understand how the wait time could be so high when the highest time was 14. Just confused on how the mean wit time can be 8109

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