Remember that we already learned about the standard error .... The standard error of the sample mean is given by the following equation: $$\sigma_\bar{y} = \frac{\sigma}{\sqrt{n}} $$. In the above equation, $\sigma$ is the population standard deviation. But like $\mu$, $\sigma$ is an unknown parameter.
Alicia Keys and and Jack White to Sing Quantum of Solace Theme Song. The news does not come as a shock to Bond fans, as Universal Exports first reported the possibility of Alicia Keys singing the Quantum of Solace theme song back on July 11, 2008.
Surreal. Surreal is the seventeenth single by Ayumi Hamasaki, released on September 27, 2000. September also saw the release of her third full-length album Duty. Duty, like her previous studio albums, topped the charts and went on to sell over two million copies.urreal. Surreal is the seventeenth single by Ayumi Hamasaki, released on September 27, 2000. September also saw the release of her third full-length album Duty. Duty, like her previous studio albums, topped the charts and went on to sell over two million copies.