calculate the mean
calcuate the variance
calculate the standard deviation
all that can be done on your calculator.
then, 95percent confidence, or +-1.96 standard deviations from the mean
You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence?
CL=95% N=4 CC=1.84
1 answer
1 answer