Two students determine the percentage of lead in a sample as a laboratory exercise. The true percentage is
known to be 23. 65.- The students results for $924 dete minatiorzs agqhown below:
Studentl: 23. 66, 23 78, 23. 47 %7 0'4 /
Student 2-. 23.42, 23.38,
One way to determine the precision of your data set is to calculate what is called the average absolute
deviation. To do this, subtract each calculated density value for each trial from the average density value
for the unknown metal. This is called the d
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