Since you made two trades, you divide by two, for an average trade price of $110. Here's the formula used to calculate the average trade price in the example above. How to calculate the weighted ...

Average revenue per unit (ARPU ... Image source: Getty Images. The formula for calculating ARPU is pretty straightforward. Simply divide the total revenue by the number of subscribers.

Calculating the mean is one of many methods of finding an average. To calculate the mean, you add up all the numbers in the set, then divide the total by the number of numbers you added.