CPI plays a huge role in our everyday lives though. From cost of living raises to entitlement programs, it all moves based on inflation numbers and the CPI. The

CPI plays a huge role in our everyday lives though. From cost of living raises to entitlement programs, it all moves based on inflation numbers and the CPI. The Fed even considers these numbers when watching the economy and deciding on fiscal policy, setting the Fed Funds Rate and impacting interest rates across the board.