16. Here are the number of holiday gifts purchased by 25 families randomly inter- viewed at a local mall at the end of the holiday season: 22, 18, 22, 26, 19, 14, 23, 27, 2, 18, 28, 28, 11, 16, 34, 28, 13, 21, 32, 17, 6, 29, 23, 22, 19 Make (a) a frequency table and (b) a grouped frequency table using intervals of 0-4, 5-9, 10-14, 15-19, 20-24, 25-29, and 30-34. Based on the grouped frequency table, (c) make a histogram and (d) describe the general shape of the distribution.