The dot plot shows how much hairdressers in Margot’s area charge for a woman’s haircut. The least expensive cut is $25. Margot described the data as having a spread from $25 to $47, seven gaps, a cluster from $35 to $37, and a center of $37. Where did Margot make an error? Price of a Woman’s Haircut (in dollars) A dot plot going from 25 to 50. 25 has 2 dots, 27 has 1 dot, 29 has 2 dots, 30 has 3 dots, 32 has 1 dot, 35 has 3 dots, 36 has 6 dots, 37 has 4 dots, 40 has 5 dots, 44 has 1 dot, 45 has 2 dots, 47 has 1 dot. All other numbers have 0 dots. The spread is from $25 to $46. There are 11 gaps. The cluster is from $36 to $37. The center is at $36.