Concept:The mode is the value that appears most often in a data set.Explanation:From the table, the frequencies are:1 occurs 4 times, 2 occurs 3 times, 3 occurs 3 times,4 occurs 2 times, 5 occurs 3 times, and 6 occurs 5 times.The highest frequency is 5, which belongs to the number 6.Therefore, the mode is 6.Answer:6 Correct option: A