1. The problem statement, all variables and given/known data You are going to examine the viscosity of a fluid by dropping a ball bearing into a cylinder of fluid and measuring the fall time. You will use a ruler to measure the height, h, of the fluid column, and a stop watch to measure the fall time, t. The ruler and stop watch have reading uncertainties of 0.5 cm and 0.05 s respectively. There are four members in your group and you each do one measurement of each quantity. Here are your results: h1 = 36.0 cm t1 = 15.55 s h2 = 36.0 cm t2 = 15.25 s h3 = 36.0 cm t3 = 15.75 s h4 = 36.0 cm t4 = 15.95 s You would report your average value of h (in cm) and t (in seconds) as 2. Relevant equations Don't know of any? 3. The attempt at a solution I know to average the quantities, so for h=36.0 and t=15.63, but what I am unsure about is how to do the uncertainties. Does the uncertainties stay the same as the measurement tool? So would they both be +/-0.5 or am I missing something? Thanks!