Only if the new number was larger than the old mean.
Chat with our AI personalities
Adding and subtracting is what increases the amount when adding each number. This is taught in high school math.
The mean=Adding all of the data and dividing by how much data you have.
The adding and subtracting a constant amount means the value will go up. The amount will go up due to the amount been added to each number.
the mean or the average
The mean will increase from 14 to 20. The median will increase from 12 to 15.