1. Calculate descriptive sample statistics (mean, median, range, the two quartiles Q1 and Q3 (using QUARTILE.EXC), minimum, maximum, interquartile range, sample standard deviation, and coefficient of variation) for each of the four variables, along with an explanation of what the descriptive statistics tell us about the call centers. o In this case, which measure of central tendency would be best for this application? Explain why. o Which measure of variation would be best for this application? Explain why. o How can one use the above descriptive statistics to understand the call centers better? o Which graphical displays of data would you use to help understand or complement the above descriptive statistics? Explain how and why.

MTH410Module2 1931941951961971981992008277163750211701616314858362411234218164635193764942 MEDIAN2943360