Answer:
mean absolute deviation
Step-by-step explanation:
The mean absolute deviation of a data set is the average distance between each data point and the mean. It gives us an idea about the variability in a data set since it is a measure of dispersion
A
14 x 3 = 42 lunches
42 x 0.55 = 23.1
so there are about 23 ham sandwiches
hope i helped you out