 Statistics and Excel. Standard deviation, measuring spread. Got data? Let's get stuck into it with statistics and Excel. Introduction, overarching objective, kind of like our mission statement, confronting the challenge of taking a list of numbers and structuring them in a way that offers meaning. So if we have a long list of numbers, we want to be able to summarize those numbers in a way that we can extract some meaning from the data using two primary types of tools, numerical summaries of the data, as well as pictorial summaries of the data, numerical summaries of the data, including our common statistical calculations, such as the mean or average quartile one, the median quartile two, and three and so on, pictorial representations of the data, including things like our box and whiskers or