Question

why is mean so important​

Answer 1

Answer:

The mean is essentially a model of your data set. It is the value that is most common. ... However, one of its important properties is that it minimises error in the prediction of any one value in your data set. That is, it is the value that produces the lowest amount of error from all other values in the data set.

Answer 2

Answer:

The mean is an important measure because it incorporates the score from every subject in the research study.

Explanation:

However, one of its important properties is that it minimises error in the prediction of any one value in your data set.