The correct answer is: B. geometric mean
The geometric mean is the average of the products of the numbers in a set, where each number is multiplied by the number before it. It is often used to calculate the compound growth rate of an investment over some period, because it takes into account the effect of compounding.
The arithmetic mean is the sum of the numbers in a set divided by the number of numbers in the set. It is often used to calculate the average of a set of numbers.
The calculus mean is a measure of central tendency that is calculated using calculus. It is not commonly used in finance.
The arithmetic median is the middle number in a set of numbers when the numbers are arranged in order from least to greatest. It is not commonly used in finance.