The box and whisker plot for the information will be as follows: <span>79,70,73,84,83,88,75,72,76,68,68,79,84,74,75,85,67,78,69,80 From the table the average is 76.5</span>
To answer the question, more information is needed. For instance, if you know the amount of trail mix in each bag. But, to find an average, you first add up all the numbers (the amount of trail mix in each bag). Then divide the sum by the number of numbers (the amount of bags).
