Jeff is the branch manager at a local bank. Recently,

  

Jeff is the branch manager at a local bank. Recently, Jeff’s been receiving customer feedback saying that the wait times for a client to be served by a customer service representative are too long. Jeff decides to observe and write down the time spent by each customer on waiting. This data was taking on Monday morning between 9:00 am and 11:30 am. Here are his findings from observing and writing down the wait times spent by 50 customers:

   

Draw a histogram using Excel and write down your conclusions. What is the average wait time in line based on the number of customers? What do you think Jeff should suggest in order to reduce the time that customers are in line?

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