Google Classroom
GeoGebraGeoGebra Classroom

Measures of Central Tendency

Select the number of data, drag the dot to change the data (0 to 20) or click "Random Data".

Mr Downes Maths
It will help if you take the word arithmetic to have its narrow meaning of absolute change or just adding. For multiplying we will use the word geometric. A mean is an extension of the midpoint where there can be more than two numbers.