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.
However, you do need to work hard at keeping them clean as they can stain and become discoloured if you are not careful. They are also quite a bit more expensive than metal braces, so that may have to be taken into consideration. Expect to pay around Â£2,000 â Â£3,000 for ceramic braces from a private dentist.