Asked and answered: http://stats.stackexchange.com/a/151351/18291
With a link to more detail: http://www.itl.nist.gov/div898/handbook/pri/section3/pri336.htm
Asked and answered: http://stats.stackexchange.com/a/151351/18291
With a link to more detail: http://www.itl.nist.gov/div898/handbook/pri/section3/pri336.htm