Expected return and standard deviation are two statistical measures that can be used to analyze a portfolio.
The expected return is the profit or loss that an investor anticipates on a known historical rate of return investment (RoR).
The standard deviation in statistics is a measure of the amount of variation or dispersion in a set of values. A low standard deviation implies that the values of the set tend to be close to the mean (also known as the expected value), whereas a high standard deviation shows that the values are spread out over a larger range.
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