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.
Buddy Holly by Weezer Songfacts. 1  Lead singer Rivers Cuomo has stated that this song is largely misinterpreted - it is not romantic but is about defending a platonic female friend. >> Suggestion credit: 2  This was Weezer's breakthrough hit. It got a lot of play on Top 40 radio and reached #2 on Billboard's Modern Rock chart.