Question

Write down the formula of calculating the average of the individual data

Answer 1

A1+an/2 is the formula for calculating the average

Answer 2

When calculating the average of individual data, you set of all observations of a given characteristic, usually in ascending order. The arithmetic mean for this series is calculated by summing the values of the observations and dividing the result by the number of observations.
Hope this helps, please give me brainliest