SOLVE STEP BY STEP IN DIGITAL FORMAT 1.- The following data refer to the weight loss of certain mechanical parts (milligrams) due to friction when three different lubricants were used under controlled conditions: lubric. A 12.2,11.8,13.1,11.0, 3.9, 4.1,10.3, 8.4 lubric. B 10.9, 5.7,13.5, 9.4,11.4,15.7,10.8,14.0 lubric. C 12.7,13.6,11.7,18.3,14.3, 22.8, 20.4,12.2 Proof, if there is a difference between the lubricants in the loss of weight due to friction of certain mechanical parts.

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