If you decide, however, to have a chair seat reupholstered by a professional, Alger said it would cost between $35-$55 per chair, for labor, fabric, new padding and foam, plus a decorative welt around the edge of the cushion.Time: 2-3 hours.upplies for one chair: â¢ Fabric for seat cushion (ranges from $5 per yard for factory ends or remnants, to $100 per yard; the average price for upholstery fabric is $7 to $35 per yard). One yard will cover two chair seats.
Mean life. Written By: Mean life, in radioactivity, average lifetime of all the nuclei of a particular unstable atomic species. This time interval may be thought of as the sum of the lifetimes of all the individual unstable nuclei in a sample, divided by the total number of unstable nuclei present.
But average life expectancy isnât the whole story. The very definition of âaverageâ means that many individuals will have shorter lifespans while others can be expected to live much longer than the norm.