The masses of eight nominally identical items were determined to be 4.23 g, 4.37 g, 3.98 g, 4.75 g, 4.12 g, 4.45 g, 4.71 g, and 3.35 g. What is the mean mass and the standard deviation of the masses?
A car speedometer has a uncertainty.
What is the range of possible speeds when the speedometer reads 85 km/h?
What is the possible range of speeds when the speedometer reads 85 km/h, stating this speed range in miles per hour, where 1 km = 0.6214 mi.
What is the percent error of thinking the melting point of tungsten is instead of the correct value of K?