What is the mean and how do I use it?
The mean is the most commonly used measure of central tendency and is considered a descriptive statistic. In practical terms, it is the sum of all the values in a data set divided by the number of values. It is a single value that can summarize the value of many of the scores in the data set. It represents the middle of the score distribution, hence the term “measure of central tendency.” A simple version of the formula would be:…