Adam received his master's in economics from The New School for Social Research ... 4+9/2 Arithmetric Mean = 6.5 Investopedia The geometric mean uses a more complex formula.

The formula of Mean: In statistics, "mean" is a measure of central tendency, calculated by summing up all the values in a dataset and dividing by the number of data points. The single numerical ...

She has conducted in-depth research on social and economic ... divided by the number of items in that series. The formula for the arithmetic mean is simple and is very commonly used to find ...