One endpoint is 9,18 and the midpoint is 14,16 what the other end point

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

How can you tell when x and y are not directly proportional?

The total number of dental clinics total for the last 12 months was recorded