The coefficient of variation and the standard deviation are two measures of variability or dispersion among data values. provide two different sets of ten data points each as examples. calculate the standard deviation and coefficient of variation for each data set. explain which of the two mentioned measures can more accurately specify which of these two data sets has more variability or dispersion in their data values, and why.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?