Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

The standard example of an exact joint confidence set provided in elementary textbooks involves normal data. In addition textbooks provide a variety of asymptotic approximate joint confidence sets for ...

In this KS2 Maths article you'll learn how to calculate a type of average called the mean. We also have KS2 videos, a quiz and lots of examples.

Thomas A. Bass, Karen Yuen Fung, A Two-Stage Test for the Mean of a Multivariate Normal Distribution with Known Covariance Matrix, Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol.