Arthur is using the dot plots to compare two sets of data. Both plots use the same number line. Which choice most likely describes the data sets Arthur is comparing?

a. Plot 1 - shoe sizes of boys in the class

Plot 2 - shoe sizes of girls in the class

b. Plot 1 - the weights of sumo wrestlers

Plot 2 - the weights of Olympic gymnasts

c. Plot 1 - weights of 25 books in grams

Plot 2 - weights of the same 25 books in kilograms

d. Plot 1 - cost of new homes in dollars

Plot 2 - heights of newborn babies