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What do you do if you are running a comparison to historical data and your background standard deviation is zero?
Wiki User
∙ 12y ago
A standard deviation of 0 implies all of the observations are equal. That is, there is no variation in the data.
Wiki User
∙ 12y ago
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How do you calculate market risk premium for a firm?
Risk premium = Company's risk (standard deviation of the historical stock returns of the market as a whole) - Risk-free rate of return (standard deviation of the historical treasury bonds' returns) - Inflation
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What statistical measure is not a summary number but rather a comparison between each data value and a single number?
Standard deviation
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Information is not sufficient to find mean deviation and standard deviation.
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Standard deviation is the square root of the variance.
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Standard error of the mean (SEM) and standard deviation of the mean is the same thing. However, standard deviation is not the same as the SEM. To obtain SEM from the standard deviation, divide the standard deviation by the square root of the sample size.
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The standard deviation is a measure of the spread of data.
What is the standard deviation of 9?
You need more than one number to calculate a standard deviation, so 9 does not have a standard deviation.
Difference Standard Deviation of a portfolio?
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