Seems I'm haemorrhaging karma over this. I misjudged the method used (Pearson's Chi Square, as pointed out by hn user pibefision). Fine, that'll teach me to ski

Seems I'm haemorrhaging karma over this. I misjudged the method used (Pearson's Chi Square, as pointed out by hn user pibefision). Fine, that'll teach me to skim read and comment. My point above was that the author could have come out and labelled it as such in the article.