What is the level of measurement for ​"year of birth​"?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Which statement about the graph of y = 8(0.25)^2

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 graph: .