Let’s say we get a sample of 100 men and 100 women, and we ask them about Spanish history. In our sample, women average 68% and men average 63%. That is the result for our sample and it is a ...

Let’s say we get a sample of 100 men and 100 women, and we ask them about Spanish history. In our sample, women average 68% and men average 63%. That is the result for our sample and it is a ...