Don’t get it pls help

The dot plot shows how much hairdressers in margot's area charge for a woman's haircut. 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. the spread is from $25 to $46. b. there are 11 gaps. c. the cluster is from $36 to $37. d. the center is at $36.