A store sells 12 different kinds of bathtubs. These data represent the maximum number of liters of water that the bathtubs will hold. {240, 272, 280, 285,295, 285, 300, 290, 310, 305, 285, 305}

State the upper and lower fence of the data set.

lower fence = 240, upper fence = 310
lower fence = 262.5, upper fence = 322.5
lower fence = 281, upper fence = 304
lower fence = 252.5, upper fence = 332.5