The formula of Mean: In statistics, "mean" is a measure of central tendency, calculated by summing up all the values in a dataset and dividing by the number of data points. The single numerical value ...

The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all the ...

When data has been grouped, the mean value cannot be found exactly as the individual values in each class are not known. To find an approximate value for the mean from a grouped frequency table, the ...