The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Information about homicides is released daily by the city of Chicago. The release of homicide victims’ names is delayed by two weeks to allow time for the victims’ families to be notified of a death ...

How ANOVA helps ensure process data lead to accurate, defensible decisions. The two-sample t-test determines if two population means are equal. Typical applications involve testing whether a new ...