scientific theory-a theory that explains scientific observations; scientific theories must be falsifiable. field theory - (physics) a theory that explains a physical phenomenon in terms of a field and the manner in which it interacts with matter or with other fields.
1 Selecting the carpet-carpeting can cost as little as $2 per square foot, or as high as $100 per square yard, but the average carpet and pad will cost between $30 and $40 per square yard-for a total of around $995 for the carpeting alone. Selecting the carpet-carpeting can cost as little as $2 per square foot, or as high as $100 per square yard, but the average carpet and pad will cost between $30 and $40 per square yard-for a total of around $995 for the carpeting alone.
1 Average price of carpet per square foot: $4.50. 2  1,260 square feet of carpet x $4.50 = $5,670 for material. 3  Installation of 1,200 square feet x $1.50 per square foot = $1,800 for installation.hey range in cost from less than $2 per square foot for cheap vinyl, ceramic tile and carpet to over $8 per square foot for exotic wood and natural stone flooring. The individual flooring price guides on this site give complete price ranges for each type of flooring.