Can anyone help me see what is wrong with the way this problem was answered? I would really appreciate it :))

Which statement best describes the polynomial

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

If rt is greater than ba, which statement must be true ?