Abstract The game Pass the Pigs® offers students in statistics to practice a lot of statistical concepts and methods in a coherent way. In this paper a probability model is derived based on assumptions of the data generating process. A previously suggested strategy of maximizing the expected...

Quadratic functions are often used in regression to infer the existence of an extremum in a relationship although tests of the location of the extremum are rarely performed. We investigate the construction of the following confidence intervals: Delta, Fieller, estimated first derivative,...

The correlation coefficient (CC) is a standard measure of the linear association between two random variables. The CC plays a significant role in many quantitative researches. In a bivariate normal distribution, there are many types of interval estimation for CC, such as z-transformation and...