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To calculate the average of a group of numbers, first add the numbers together and then divide by the amount of numbers that are in the group. The formula for average is: sum/(quantity of numbers.) More »

Calculate the median of a set by putting the numbers in order from least to greatest and finding the middle number, when there is an odd number of values in the set. When there is an even number of values, find the media... More »

Median income is calculated by identifying the middle value in a set of incomes as long as the set of incomes is in ascending order, according to Concept Stew. With an even number, the median is calculated by averaging t... More »

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The formula for the arithmetic mean of a group of numbers is A = S/N, where S represents the sum of all the numbers in the group, and N represents the total number of items in the group. Finding the arithmetic mean is es... More »

The formula to calculate the square footage of an area that is square or rectangular in shape is length multiplied by width equals the area's square footage. For example, if a rectangular shaped room measures 11 feet in ... More »

To calculate the area of a structure or section of land mass in square miles, use the formula for area of the section's shape with the dimensions, such as length, width, and radius, in miles. Not all sections of land or ... More »

To calculate minutes per mile, use the mathematical formula for rate (rate = distance/time). You need to know the distance traveled and the amount of time it took to travel that far. More »