He still played sparingly, planting a Tennessee defender as a true freshman, but Newton couldn't pair his arm strength with consistent accuracy and never came close to dislodging Tebow. (sbnation.com)
In both cases the total number of measurements necessary to achieve consistent accuracy within +0.10 was 40 points. (nichols.edu)
In an examination of the error in mass balance measurements using different sampling densities, it was noted on the Columbia Glacier that the total number of measurements necessary to achieve consistent accuracy within +0.10 was 40 points (Pelto, 2000). (nichols.edu)