Topic 5 · Interactive tool
Center & Spread
Type a list of numbers and see the mean, median, mode and range worked out, step by step. Then add one extreme value and watch the mean lurch while the median barely moves.
Mean · median · mode · range · sample SD
n = 12 values · range = 8
With 12 values, the mean is 5.75 and the median is 6. Add an outlier below to see how one extreme value pulls the mean.
Mean
5.83
Median
6
Mode
7
Range
8
Sample SD
2.55
Data points
Mean
Median
Outlier (toggle on)
Your data (comma or space separated)
Type up to 200 numeric values. Decimals and negatives are fine.
Outlier value 100
Try a dataset