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 $100 profit per sq and still stay competive with the competition.
Thanks for your detailed explanation on glasses. I ordered glasses from walmart. Polycarbonate lenses with UV coating, scratch resistant, and anti-reflective coating : 50$ for each glass. Total cost is 296$ ( $100 for both glasses+ 196$ for Titanium frame)