The temperature at 6pm was 72° this temperature was 8° less than at 4pm the temperatureat 10am was 5° f greater than the 4pm temperature what was the teperature at 10am

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