A chemical company sells a specialized industrial lubricant in 20 liter containers. A random sample of the latest
production lot shows the contents of 10 containers to be
20.84, 19.62, 19.74, 19.72, 20.58, 20.85, 20.99, 19.62,
20.38, and 20.06 liters. Find the standard deviation of the
sampled containers' contents.

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %