When analyzing a set of data, one of the first steps many people take is to compute an average. You might compare your height against the average height of people where you live, or brag about your ...

Test your science knowledge by taking the interactive quiz. The short quiz tests your knowledge of questions recently asked in a national poll. After completing the quiz, you can compare your score ...

The math and science achievement of U.S. students continues to surpass the global average for nations taking part in a prominent assessment, results issued Tuesday show, but several East Asian ...