The sum of all data in a group of data is divided by the number of data
The mean (average) refers to the sum of all data in a group of data divided by the number of data.For example: 1, 3, 5, 7, the mean of these four numbers is [(1+3+5+7)/4]=4.It is an indicator reflecting the trend of data set.
Lottery Glossary One refers to the average value of each winning number.For example:Bicolor sphereSixRed ballNumber plus oneblue ballThe number divided by seven is the average value of the double chromosphere in this issue.
