# How to find the average

This is just a trail video to figure out how to find the averages. A calculated central value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are. Example: what is the average of 2, 7 and 9? How to find the average density. Most of the bodies has a complex structure, because they consist of different substances. Therefore, to find their density using tables is almost impossible. To get an idea about their structure, use such a thing as an average density, which is calculated after measuring the mass and volume of the body. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count. How do you handle negative numbers? Adding a negative number is the same as subtracting the number (without the. How to find the average temperature. The average temperature, and average water temperature in the reservoirs is an important climatic indicator for any region. This parameter is required and in other situations. The next video is starting stop. Loading. Purplemath. Mean, median, and mode are three kinds of averages. There are many averages in statistics, but these are, I think, the three most common, and are certainly the three you are most likely to encounter in your pre-statistics courses, if the topic comes up at all. Average, which is the arithmetic mean, and is calculated by adding a group of numbers and then dividing by the count of those numbers.For example, the average of 2, 3, 3, 5, 7, and 10 is 30 divided by 6, which is 5. Median, which is the middle number of a group of numbers; that is, half the numbers have values that are greater than the median, and half the numbers have values that are less. Let's say you want to find the average number of days to complete a tasks by different employees. Or, you want to calculate the average temperature on a particular day over a 10-year time span. You can use Python to find the average of numbers in a list or another data structure. Write a simple for loop to compute the average yourself or use a standard library with a.