Respuesta :
The mode of a set of data is the number that appears the most. We'll set it up from least to greatest to figure this out efficiently.
31, 31, 39, 52, 87.
31 appeared more than any other number, so 31 is the mode.
31, 31, 39, 52, 87.
31 appeared more than any other number, so 31 is the mode.