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Solution: Two students determine the percentage of lead in a sample as...

Question

Two students determine the percentage of lead in a sample as a laboratory exercise. The true percentage is 22.52%. The students’ results for three determinations are as follows:
1. 22.52, 22.48, 22.54
2. 22.64, 22.58, 22.62
(a) Calculate the average percentage for each set of data, and
state which set is the more accurate based on the average.