Avia just finished collecting data on sea star length for her research project. What should she do to determine the average of the data set?

A. plot a graph using a quadratic formula and determine the minima point
B. arrange all the data in order from smallest to largest and find the middle value
C. use a linear equation to graph the data and then solve for the value of x
D. add up the data values and then divide the total by the number of data points

1 answer

D. add up the data values and then divide the total by the number of data points

To determine the average of a data set, you add up all the values and then divide the total by the number of data points.