Taken from http://www.analyticbridge.com/photo/2004291:Photo:23753

Almost anything that requires a decision about a real world problem–how to do something better.

• Scheduling: hospital patients, classes, buses, planes, sporting events
• Marketing: store layout, advertising, social media, online ad placement, recommendations on a website 
• Product development: product features, pricing, sales forecasts
• Inventory: how many to build; how many touchpads store should have in stock
• Organizations: business management, cross-cultural issues, social networks
• Queueing: waiting lines at amusement parks, banks, movie theaters; line at store to buy new electronic gadget; traffic
• Environment: managing sustainable resources, reducing materials needed to manufacture a product
• Optimizing: internet search engines, product design
• Decision making: security, investment; what college to attend

Excerpt from the INFORMS website. To find out more visit https://www.informs.org/Build-Your-Career/Consider-an-Analytics-OR-Career