16. Here are the number of holiday gifts purchased by 25 families randomly interviewed 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.