Beta is a measure of a stock's systematic risk, or volatility, compared to the market as a whole. The 5-year average beta for Kroger stock is 0.52 (source: yahoo.finance). What does this tell us about the volatility or riskiness of Kroger stock? 1. The stock is theoretically 48% more volatile than the market. II. The security is theoretically 48% less volatile than the market. III. Including this stock in a portfolio makes it less risky than the same portfolio without the stock. IV. Low-beta stocks pose less risk but also lower returns 1, 11, 11L, and IV II. III. and IV 1. 11, and III II and 111