• TellersDownload .TXT file Open in Data Desk ?Link
  • Methods: Analysis of Variance
  • Source: invented example
  • Number of Cases: 140
  • Story:

    A bank is studying the time that it takes 6 of its tellers to serve an average customer. Customers line up in the queue and then go to the next available teller. Is there a difference? Can we pick out the best or worst performing teller?


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