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 White Stripes singer Jack White are to record the theme for new James Bond film Quantum of Solace. Jack White and Alicia Keys will collaborate on the new James Bond film theme Photo: JOHN TAYLOR/PA. By Anita Singh, Showbusiness Editor. 11:24AM BST 30 Jul 2008.
Second to None. AllMusic Review by Andrew Hamilton. Prior to Sam Dees writing hit songs for Atlantic Starr, Larry Graham (One in a Million You), Whitney Houston, Gladys Knight & the Pips, and others, he toiled first in a group, then solo, recording on many southern labels during the '60s and '70s.