Drug Store News (September2002) provided data on annual pharmacy sales for the leading pharmacy retailers in the United States.The following data are annual sales in millions.
Retailer Sales Retailer Sales
Ahold USA $1700
Medicine Shoppe $1757
CVS 12700
Rite-Aid 8637
Eckerd 7739
Safeway 2150
Kmart 1863
Walgreens 11660
Kroger 3400
Wal-Mart 7250
a. Show a stem-and-leaf display.
b. Identify the annual sales levels for the smallest, medium, and largest drug retailers.
c. What are the two largest drug retailers?