Having trouble with Chemistry problem?
a) Bruce's three measurements are 19 cm, 20 cm, and 22 cm. Calculate the average value of his measurements.
b) Pete's three measurements are 20.9 cm, 21.0 cm, and 21.0 cm. Calculate average value.
c) Whose measurements are more precise?
d) The actual length of the object is 20.0 cm. Whose measurements are more accurate?
e) What is the error of Pete's average measurement?
f) What is the percent error of Pete's average measurement?