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.
Snatam Kaur. Original Light Tour. Snatam Kaur is an American singer, peace activist and author raised in the Sikh and Kundalini Yoga tradition. She has an amazing ability to transform traditional Sikh chants of India into a contemporary sound that appeals to the modern ear and awakens an ancient yearning in the soul.