→ can have multiple modes → if values occur the same number of times, there is no mode Example: This data set gives the number of dogs that visited a pet park on 12 days: 2, 6, 7, 2, 5, 6, 2, 1, 3, 5, 2, 6. The value occurs times, while all the other values occur fewer times. So, the mode of this data set is .