In this installment of Victor Holman’s Sports Analytics 3 Minute Drill, Victor explains measuring mean and median.
Mean and median are two of the most useful methods used to summarize numerical data.
The mean of a set of data is simply the average, which is found by adding up the total of all the observations and dividing by the number of observations. The mean is used to describe the average number of goals a team scores in a game or the average number of saves a goaltender has per game. Traditional sports statistics rely heavily on the mean.
The median is found by putting the data numbers in order and then finding the “middle value”. Half of the data values are above the median and the other half of the data values are below the median.
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