Enter data as 1,2,3,4 (1D) or [0,1],[3,4],[6,3] (2D)
Mean (for 1D data)
Mean = ( x₁ + x₂ + ... + xₙ ) / n
Median (for 1D data)
1. Line up all your numbers from smallest to biggest.
2. If you have an odd number of numbers, the "middle one" in the line is your median.
3. If you have an even number of numbers, take the two middle numbers, add them together, then divide by 2 to get the median.
Mode
The value (or values) that appears most frequently.