The standard deviation<span> is used in making an investment decision to measure the amount of historical volatility, or risk, </span>associated<span> with an investment relative to its annual rate of return. It indicates how much the current return is deviating from its expected historical normal returns.</span>
Ounces are typically used to measure liquid, so I would discourage choosing the top two. And, hopefully you know by now that an orange does not weigh 8 pounds.
