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2. Standard deviation - Wikipedia

   en.wikipedia.org/wiki/Standard_deviation

   The mean and the standard deviation of a set of data are descriptive statistics usually reported together. In a certain sense, the standard deviation is a "natural" measure of statistical dispersion if the center of the data is measured about the mean. This is because the standard deviation from the mean is smaller than from any other point.

3. Deviation (statistics) - Wikipedia

   en.wikipedia.org/wiki/Deviation_(statistics)

   The second standard deviation from the mean in a normal distribution encompasses a larger portion of the data, covering approximately 95% of the observations. Standard deviation is a widely used measure of the spread or dispersion of a dataset. It quantifies the average amount of variation or deviation of individual data points from the mean of ...

4. How to calculate your kitchen island size according to experts

   www.aol.com/news/calculate-kitchen-island-size...

   The right kitchen island size is crucial to a successful room design. This is all the information you need to know to get it right.

5. Unbiased estimation of standard deviation - Wikipedia

   en.wikipedia.org/wiki/Unbiased_estimation_of...

   In statistics and in particular statistical theory, unbiased estimation of a standard deviation is the calculation from a statistical sample of an estimated value of the standard deviation (a measure of statistical dispersion) of a population of values, in such a way that the expected value of the calculation equals the true value.

6. Statistical dispersion - Wikipedia

   en.wikipedia.org/wiki/Statistical_dispersion

   A measure of statistical dispersion is a nonnegative real number that is zero if all the data are the same and increases as the data become more diverse. Most measures of dispersion have the same units as the quantity being measured. In other words, if the measurements are in metres or seconds, so is the measure of dispersion.

7. Variance - Wikipedia

   en.wikipedia.org/wiki/Variance

   The red population has mean 100 and variance 100 (SD=10) while the blue population has mean 100 and variance 2500 (SD=50) where SD stands for Standard Deviation. In probability theory and statistics , variance is the expected value of the squared deviation from the mean of a random variable .