The normal shown is definitely the interquartile indicate, a type of normal that's insensitive to outliers even though getting its own unique parameter. The eighty% selection implies that 80% of the shown Houses tumble within this vary. Disclaimer: School attendance zone boundaries are equipped by Pitney Bowes and are issue http://maps.google.ie/url?sa=t&url=https%3A%2F%2Fhttps://kingswoodhomes.uk.com/