Who will win the next presidential election? To find out, you might ask each and every registered voter how they plan to vote. But a more practical way to get your answer is to conduct an opinion poll, questioning only a small sample of registered voters. But how can you use the answers of a small group of people to make a prediction that involves many millions of people nationwide?

That’s where statistics comes into play. Statistics is a field of applied mathematics that relies heavily on computers. Using statistics, pollsters can decide who to interview and how to weigh the information they collect to make accurate predictions.

Leaders Who Majored in Statistics