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.
Greenbaum is currently being treated at Santa Rosa Memorial Hospital. The singer penned and sang the internationally recognised song Spirit in the Sky in 1969. Since then it has featured in 50 films and several TV shows, including the 1995 film Apollo 13 and Oceanâs Eleven, which was released in 2001.