# How to calculate the monthly average? ### How to calculate the monthly average?

Calculate a medium simple Different from a percentage, the medium to calculated by adding all the values ​​and then dividing the result obtained by the number of values.

### How to calculate the monthly sale?

calculate the average turnover for each month, year by year; divide each turnover monthly average by the average annual turnover to obtain the 12 seasonal coefficients; multiply the total turnover for the forecast year by the seasonal coefficient for each month.

### How to calculate the amount of sales?

Price of sale = cost price + desired gain Example: a company produces a good A for a unit cost price of 150 euros. She hopes to make a gain of 20 euros on the sale of each good A. The price of sale must therefore be equal to 170 euros to achieve the expected profitability objective.

### How to calculate the arithmetic mean?

The arithmetic mean of two or more numbers, or simply the average, is the sum of the numerical values ​​divided by the number of numerical values ​​considered. To calculate the arithmetic mean between two or more numbers, simply add them together and divide the result obtained by the number of values.

### How to calculate the mean of a series?

The mean is calculated as the sum of the values ​​in a series divided by the number of values ​​in that series. The median divides the series studied into two equal groups.

### What is the difference between mean and median?

In the case of wealth, the difference of nearly 40% between the average and the median is explained by the fact that high wealth “pulls the distribution upwards”. According to INSEE statistics, it can be seen that 1% of households have gross assets in excess of euros.

### How do you know if the median is lower than the mean?

If the median is lower than the average, the inequalities are at the top of the scale. Otherwise, inequalities are at the bottom of the scale.