The range is very easy to calculate because it is simply the difference between the largest and the smallest observed values in a data set. Thus, range, including any outliers, is the actual spread of data.
Re: Elastomeric Cool Roofing Systems Cost Per Sq? How Much You Guys Charging. Matrial and labor I can do them for $125 per sq depending on the project I can usually add between $75 up to $100 profit per sq and still stay competive with the competition.
Flexible elastomeric, unicellular thermal insulation, sheet and pipe covering: P29-051-040-1995 - Government of Canada Publications.