Holes-R-Us, an Internet company that sells piercing jewelry keeps transaction records on its sales. At a recent

Question:

Holes-R-Us, an Internet company that sells piercing jewelry keeps transaction records on its sales. At a recent sales meeting, one of the staff presented a histogram of the ZIP codes of the last 500 customers, so that the staff might understand where sales are coming from. Comment on the usefulness and appropriateness of the display.