The mode is the most frequently occurring data in a group of data. Mean is the average number of copies in a group of data. Median is a group of data arranged in order of size and located in the middle. According to the above definition, Which of the following statement is wrong. ['The average indicates the overall average level, and the median indicates the average level in life.', 'The selection of "best" and "most popular" in daily life is generally related to the mode.', 'The mean is calculated, the median is calculated by sorting, and the mode is calculated by counting.', 'The influence of individual extreme data on the mean is not obvious, and the influence on the mode and median is greater.']