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.
Lead singer Laurie Sargent. They did the music for the movie Streets of Fire with Diane Lane, but were replaced on the soundtrack album (due to contractual issues, I believe). The Graces - Three ladies including Charlotte Caffey of the GoGos and Merideth Brooks (of I'm A Bitch Fame).