What Is A Moving Average? Moving averages are important in many time series data applications. The study of moving averages is part of the academic disciplines of statistics and mathematics.

Be sure you understand the difference between average numbers and median numbers. The average balance, as you probably know, is what you get if you add up the values of all the accounts in each group ...

These average and median 401(k) balances tell us a lot. Recall what a median number is -- it's the middle number in a series of numbers arranged in order. So if your series is 78, 101, 135, 204, and ...