Respuesta :
The average is the ratio of the sum of the observation to the total number of observations. Then the correct option is D.
What is average?
Average is simply defined as the mean of the given set of numbers. The mean is considered as one of the measures of central tendencies in statistics. The average is said to be an arithmetic mean.
The average is given as
[tex]\rm Average = \dfrac{Sum\ of\ the\ observation}{Total\ number\ of \ observations}[/tex]
This is an example of the average formula.
More about the average link is given below.
https://brainly.com/question/521501
