Five stores in Tulsa, Oklahoma, sell the same model of a graphing calculator for $89.95, $93.49, $109.39, $93.49, and $97.69.
a. What are the median price, the mean price, and the standard deviation?
b. If these stores are representative of all stores in the Tulsa area, of what importance is it to a consumer to know the median, mean, and standard deviation? Which is probably more helpful, the median or the mean?