The number of times the people in a group surveyed on the street have gone to the cinema this month are:
5, 5, 0, 8, 4, 5, 6, 4, 3, 5, 3, 5, 3, 7, 4, 3, 6, 7, 6, 2, 1, 4, 2, 0, 2
Fill in a frequency table and calculate the mean of the distribution.