Mean Median Mode Calculator

About this Calculator

Calculator online to calculate the count, sum, mean, median and mode for a set of data. Enter values separated by commas such as 1, 2, 4, 7, 7, 10, 2, 4, 5. A data set of up to 150 values can be evaluated with this calculator. For other data analysis options see our statistics calculator, descriptive statistics calculator or stem and leaf plot generator.

How to find the mean

1. Count the number N of data points in your data set.
2. Sum up the total of your data set; add them all together.
3. Average = Mean = Sum/N.

How to find the median

The median is the numeric value separating the higher half of a sample data set from the lower half. The median of a data set can be found by arranging all the values from lowest to highest value and picking the one in the middle. If there is an odd number of data values then the median will be the value in the middle. If there is an even number of data values the median is the mean of the two data values in the middle.

For the data set 1, 1, 2, 5, 6, 6, 9 the median is 5.

For the data set 1, 1, 2, 6, 6, 9 the median is 4. It is the mean of 2 and 6 or, (2+6)/2 = 4.

How to find the mode

Mode is the value or values in the data set that occur most frequently. 

For the data set 1, 1, 2, 5, 6, 6, 9 the mode is 1 and 6.