I am a statistician, and part of my job is to make inferences and predictions. With unlimited time and money, I could simply test or survey the entire group of people I am interested in to evaluate ...

Winnifred Louis receives funding from the Australian Research Council and the Social Sciences and Humanities Research Council of Canada. She is a teacher of statistics in the University of Queensland, ...

Understanding the confidence interval will help you grasp what an election poll is -- or is not -- saying. As you might have guessed, the media consistently gets it wrong. Candidate Gobermouch is ...