Five classes of students measure the height of a building. Each classes uses a different method and each measures the height many different times. The data for each class are plotted below. Which class made the most precise measurement?
(GR0177 #15)
Solution:
The accuracy is how close the peak is to the reference value.
The precision is how narrow the peak is.
So we look for the graph with the narrowest peak.
Answer: A
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