BASED ON THE DATA OBSERVED, WHAT ARE THE 3 MOST COMMON SOFT DRINKS? WHAT IS THE LEAST COMMON SOFT DRINK?

DATA FROM A SAMPLE OF 15 DRINK PURCHASES COCA-COLA DIET COKE DR. PEPPER COCA-COLA SPRITE PEPSI SPRITE PEPSI PEPSI PEPSI PEPSI PEPSI DR. PEPPER SPRITE DR. PEPPER SPRITE PEPSI PEPSI PEPSI PEPSI SPRITE COCA-COLA SPRITE COCA-COLA COCA-COLA COCA-COLA DIET COKE DIET COKE COCA-COLA PEPSI COCA-COLA DIET COKE SPRITE SPRITE SPRITE SPRITE DR. PEPPER DR. PEPPER DIET COKE DIET COKE COCA-COLA DIET COKE PEPSI PEPSI SPRITE PEPSI PEPSI PEPSI COCA-COLA COCA-COLA