During the last 3 years Consolidated Oil Company expanded its gasoline stations into convenience food stores (CFSs) in an attempt to increase total sales revenue. The daily sales (in hundreds of dollars) from a random sample of 10 weekdays from one of its stores are:
6 8 10 12 14 9 11 7 13 11
a. Find the mean, median and mode for this store.
b. Find the five-number summary.