In National 5 Lifeskills Maths standard deviation is a measure of consistency or spread of data. It is used as a comparison between different data sets.

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Low volatility funds aim to reduce risk and deliver stronger results during market downturns or periods of slowing economic growth.

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A three sigma limit is a statistical calculation that refers to data within three standard deviations from a mean. It shows how much variation exists from an average.

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Value at Risk (VaR) can determine the extent and probabilities of potential losses and measure the level of risk exposure.