The following data set shows the total number of people entering an exhibit per day: 163, 157, 166, 159, 160, 184, 162, 175, 177
, 164, 171, 170, 173, 176, 173, 178, 158, 163, 164, 169, 171, 160, 165, 182 Which intervals for the data values would be most appropriate for a frequency table?