Sample # x-bar R 1 5.4 3.0 2 5.4 1.1 3 4.2 2.8 4 5.0 2.6 5 4.7 5.4 6 5.8 1.8 7 4.6 2.1 8 4.8 1.5 9 5.4 2.3 10 4.7 1.6
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