Imagine we had a question: “Do men and women differ on X?” No matter what “X” is—height, empathy, knowledge of 13 th century Spanish history, or anything else—we know that any given man will be ...

What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

Whatever study you choose to conduct, it will probably have a target population. The target population is the group of people who could be involved in your study. For example, if you wanted to do some ...