Standard deviation from the mean represents the same thing whether you are looking atgross domestic product(GDP), crop yields, or the height of various breeds of dogs. Moreover, it is always calculated in the same units as the data set. You don't have to interpret an additional unit of ...
What Does Standard Deviation Mean? Standard deviation measures how data is dispersed relative to its mean and is calculated as the square root of its variance. The further the data points are, the higher the deviation. Closer data points mean a lower deviation. In finance, standard deviation ca...
What does it mean if the difference between two means is statistically significant? Which of the following statements about standard deviation is true? Standard deviation: a. Is the square of the variance. b. Can be a positive or negative number. c. Is denominated in the same units as the...
Given a mean of 13% and a deviation of 9%. what is the range for 99% of all results? A. 1 standard deviation (68%) -4% to 22%. B. 2 standard deviation (95%) -5% to 31%. C. 3 standard deviation (99%) A stock has yielded returns of 6%,11%,14%, and -2% over the pa...
What does “one standard deviation” mean?In statistics, one standard deviation is a measurement that encompasses approximately 68.2% of outcomes. When it comes to IV, one standard deviation means that there is approximately a 68% probability of a stock settling within the expected range as ...
However, that doesn't mean that real estate investing isn't available to anyone other than the wealthy. For instance, the Vanguard Real Estate Index Fund Admiral Shares (VGSLX) has a cumulative total return of 426% since it began trading in late 2001. The S&P 500's return was 291% ...
2) Does this number ma A stock has an annual return of 10.2 percent and a standard deviation of 40 percent. What is the smallest expected gain over the next year with a probability of 1 percent? (Round your answer to 2 deci DW Co. stock...
σ is the standard deviation of the distribution. μ is the mean of the distribution. e is the base of the natural logarithm, about 2.71828. This equation offers a measure of the relative likelihood that a random variable assumes a particular value in anormal distribution. ...
In the example of average return of 10% and standard deviation of 20% in a normal distribution, most would accept that: -about 68% of time a return would be between -10% and 30%, i.e. mean +/- stddev; -about 96% of time a return would be between -30% and 50%, i.e. mean...
Table 2 shows the mean and standard deviation of respondents’ portfolio allocation (in percent) to each asset class, as well as the fraction of the sample that has positive holdings in each asset class. On average, respondents hold 53% of their portfolio in equities. Non-participation in ...