What are the similarities and differences between these data sets in terms of their centers and their variability?

data set a: 16, 10, 18, 24

data set b: 21, 14, 16, 14, 19

select from the drop-down menus to correctly complete the statements.
comparing the centers of the data sets, the median for data set a is the median for data set b.

further, based on the range, data set is more variable.