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The mean of a group of numbers is them added together and divided by the amount of numbers u added
it means a group of numbers together yes. yes it does
You have to add all the numbers together then divide it by how many numbers there are
The mean value is the average of a group of numbers. All of the numbers in the group are first added all together. The sum of the number is then divided by however many numbers were in the group. The number that is arrived at is the mean value. The use of mean values is widely used in compiling statistical information.
They are mostly used in education circles to indicate the year level of a group of students. Year 1 is the first year of that group's education (new entrant, when they are 5 or 6), year 2 is their second year, etc.