Operations Management utilizes historical date to either gain insight into business operations or$,$ in some cases, make decisions to positively impact business operations. In either case, it is typically useful to more fully understand the nature, or behavior, of the data produced by the process.

A group of call center firms are competing for a contract to complete general Q&A calls for an IT firm. The call centers are tasked with serving customers worldwide with a normal distribution of customers served on a daily basis.

Using the samples customers served, calculate each set$$s mean, sample standard deviation, minimum and maximum values. Also, for each set, produce a MS Excel scatter plot and histogram chart in order to answer the questions.

All calculations shall be executed via MS Excel formulas$/$functions whereas all questions shall be answered via MS Word.

$1.$ Explain each set$$s values. In essence, are the distributions normal? Why or why not?

$2.$ Compare and contrast the data sets.

$3.$ Does any set include outlier values?

$4.$ Explain why an operations manager may want to discard values deemed outliers. Also, explain why an operations manager may want to include outlier values.